Group​Names

Finite groups of order ≤500, group names, extensions, presentations, properties and character tables.

Order  ≤60≤120≤250≤500

Orders with >300 groups of order n
n = 128, 192, 256, 288, 320, 384, 432, 448, 480.

[non]​abelian, [non]​soluble, super​soluble, [non]​monomial, Z-groups, A-groups, metacyclic, metabelian, p-groups, elementary, hyper​elementary, linear, perfect, simple, almost simple, quasisimple, rational groups.

Groups of order 1

dρLabelID
C1Trivial group11+C11,1

Groups of order 2

dρLabelID
C2Cyclic group21+C22,1

Groups of order 3

dρLabelID
C3Cyclic group; = A3 = triangle rotations31C33,1

Groups of order 4

dρLabelID
C4Cyclic group; = square rotations41C44,1
C22Klein 4-group V4 = elementary abelian group of type [2,2]; = rectangle symmetries4C2^24,2

Groups of order 5

dρLabelID
C5Cyclic group; = pentagon rotations51C55,1

Groups of order 6

dρLabelID
C6Cyclic group; = hexagon rotations61C66,2
S3Symmetric group on 3 letters; = D3 = GL2(F2) = triangle symmetries = 1st non-abelian group32+S36,1

Groups of order 7

dρLabelID
C7Cyclic group71C77,1

Groups of order 8

dρLabelID
C8Cyclic group81C88,1
D4Dihedral group; = He2 = AΣL1(F4) = 2+ 1+2 = square symmetries42+D48,3
Q8Quaternion group; = C4.C2 = Dic2 = 2- 1+282-Q88,4
C23Elementary abelian group of type [2,2,2]8C2^38,5
C2xC4Abelian group of type [2,4]8C2xC48,2

Groups of order 9

dρLabelID
C9Cyclic group91C99,1
C32Elementary abelian group of type [3,3]9C3^29,2

Groups of order 10

dρLabelID
C10Cyclic group101C1010,2
D5Dihedral group; = pentagon symmetries52+D510,1

Groups of order 11

dρLabelID
C11Cyclic group111C1111,1

Groups of order 12

dρLabelID
C12Cyclic group121C1212,2
A4Alternating group on 4 letters; = PSL2(F3) = L2(3) = tetrahedron rotations43+A412,3
D6Dihedral group; = C2xS3 = hexagon symmetries62+D612,4
Dic3Dicyclic group; = C3:C4122-Dic312,1
C2xC6Abelian group of type [2,6]12C2xC612,5

Groups of order 13

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C13Cyclic group131C1313,1

Groups of order 14

dρLabelID
C14Cyclic group141C1414,2
D7Dihedral group72+D714,1

Groups of order 15

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C15Cyclic group151C1515,1

Groups of order 16

dρLabelID
C16Cyclic group161C1616,1
D8Dihedral group82+D816,7
Q16Generalised quaternion group; = C8.C2 = Dic4162-Q1616,9
SD16Semidihedral group; = Q8:C2 = QD1682SD1616,8
M4(2)Modular maximal-cyclic group; = C8:3C282M4(2)16,6
C4oD4Pauli group = central product of C4 and D482C4oD416,13
C22:C4The semidirect product of C22 and C4 acting via C4/C2=C28C2^2:C416,3
C4:C4The semidirect product of C4 and C4 acting via C4/C2=C216C4:C416,4
C42Abelian group of type [4,4]16C4^216,2
C24Elementary abelian group of type [2,2,2,2]16C2^416,14
C2xC8Abelian group of type [2,8]16C2xC816,5
C22xC4Abelian group of type [2,2,4]16C2^2xC416,10
C2xD4Direct product of C2 and D48C2xD416,11
C2xQ8Direct product of C2 and Q816C2xQ816,12

Groups of order 17

dρLabelID
C17Cyclic group171C1717,1

Groups of order 18

dρLabelID
C18Cyclic group181C1818,2
D9Dihedral group92+D918,1
C3:S3The semidirect product of C3 and S3 acting via S3/C3=C29C3:S318,4
C3xC6Abelian group of type [3,6]18C3xC618,5
C3xS3Direct product of C3 and S3; = U2(F2)62C3xS318,3

Groups of order 19

dρLabelID
C19Cyclic group191C1919,1

Groups of order 20

dρLabelID
C20Cyclic group201C2020,2
D10Dihedral group; = C2xD5102+D1020,4
F5Frobenius group; = C5:C4 = AGL1(F5) = Aut(D5) = Hol(C5) = Sz(2)54+F520,3
Dic5Dicyclic group; = C5:2C4202-Dic520,1
C2xC10Abelian group of type [2,10]20C2xC1020,5

Groups of order 21

dρLabelID
C21Cyclic group211C2121,2
C7:C3The semidirect product of C7 and C3 acting faithfully73C7:C321,1

Groups of order 22

dρLabelID
C22Cyclic group221C2222,2
D11Dihedral group112+D1122,1

Groups of order 23

dρLabelID
C23Cyclic group231C2323,1

Groups of order 24

dρLabelID
C24Cyclic group241C2424,2
S4Symmetric group on 4 letters; = PGL2(F3) = Aut(Q8) = Hol(C22) = tetrahedron symmetries = cube/octahedron rotations43+S424,12
D12Dihedral group122+D1224,6
Dic6Dicyclic group; = C3:Q8242-Dic624,4
SL2(F3)Special linear group on F32; = Q8:C3 = 2T = <2,3,3> = 1st non-monomial group82-SL(2,3)24,3
C3:D4The semidirect product of C3 and D4 acting via D4/C22=C2122C3:D424,8
C3:C8The semidirect product of C3 and C8 acting via C8/C4=C2242C3:C824,1
C2xC12Abelian group of type [2,12]24C2xC1224,9
C22xC6Abelian group of type [2,2,6]24C2^2xC624,15
C2xA4Direct product of C2 and A4; = AΣL1(F8)63+C2xA424,13
C4xS3Direct product of C4 and S3122C4xS324,5
C3xD4Direct product of C3 and D4122C3xD424,10
C22xS3Direct product of C22 and S312C2^2xS324,14
C3xQ8Direct product of C3 and Q8242C3xQ824,11
C2xDic3Direct product of C2 and Dic324C2xDic324,7

Groups of order 25

dρLabelID
C25Cyclic group251C2525,1
C52Elementary abelian group of type [5,5]25C5^225,2

Groups of order 26

dρLabelID
C26Cyclic group261C2626,2
D13Dihedral group132+D1326,1

Groups of order 27

dρLabelID
C27Cyclic group271C2727,1
He3Heisenberg group; = C32:C3 = 3+ 1+293He327,3
3- 1+2Extraspecial group93ES-(3,1)27,4
C33Elementary abelian group of type [3,3,3]27C3^327,5
C3xC9Abelian group of type [3,9]27C3xC927,2

Groups of order 28

dρLabelID
C28Cyclic group281C2828,2
D14Dihedral group; = C2xD7142+D1428,3
Dic7Dicyclic group; = C7:C4282-Dic728,1
C2xC14Abelian group of type [2,14]28C2xC1428,4

Groups of order 29

dρLabelID
C29Cyclic group291C2929,1

Groups of order 30

dρLabelID
C30Cyclic group301C3030,4
D15Dihedral group152+D1530,3
C5xS3Direct product of C5 and S3152C5xS330,1
C3xD5Direct product of C3 and D5152C3xD530,2

Groups of order 31

dρLabelID
C31Cyclic group311C3131,1

Groups of order 32

dρLabelID
C32Cyclic group321C3232,1
D16Dihedral group162+D1632,18
Q32Generalised quaternion group; = C16.C2 = Dic8322-Q3232,20
2+ 1+4Extraspecial group; = D4oD484+ES+(2,2)32,49
SD32Semidihedral group; = C16:2C2 = QD32162SD3232,19
2- 1+4Gamma matrices = Extraspecial group; = D4oQ8164-ES-(2,2)32,50
M5(2)Modular maximal-cyclic group; = C16:3C2162M5(2)32,17
C4wrC2Wreath product of C4 by C282C4wrC232,11
C22wrC2Wreath product of C22 by C28C2^2wrC232,27
C8oD4Central product of C8 and D4162C8oD432,38
C4oD8Central product of C4 and D8162C4oD832,42
C23:C4The semidirect product of C23 and C4 acting faithfully84+C2^3:C432,6
C8:C22The semidirect product of C8 and C22 acting faithfully; = Aut(D8) = Hol(C8)84+C8:C2^232,43
C4:D4The semidirect product of C4 and D4 acting via D4/C22=C216C4:D432,28
C4:1D4The semidirect product of C4 and D4 acting via D4/C4=C216C4:1D432,34
C22:C8The semidirect product of C22 and C8 acting via C8/C4=C216C2^2:C832,5
C22:Q8The semidirect product of C22 and Q8 acting via Q8/C4=C216C2^2:Q832,29
D4:C41st semidirect product of D4 and C4 acting via C4/C2=C216D4:C432,9
C42:C21st semidirect product of C42 and C2 acting faithfully16C4^2:C232,24
C42:2C22nd semidirect product of C42 and C2 acting faithfully16C4^2:2C232,33
C4:C8The semidirect product of C4 and C8 acting via C8/C4=C232C4:C832,12
C4:Q8The semidirect product of C4 and Q8 acting via Q8/C4=C232C4:Q832,35
C8:C43rd semidirect product of C8 and C4 acting via C4/C2=C232C8:C432,4
Q8:C41st semidirect product of Q8 and C4 acting via C4/C2=C232Q8:C432,10
C4.D41st non-split extension by C4 of D4 acting via D4/C22=C284+C4.D432,7
C8.C41st non-split extension by C8 of C4 acting via C4/C2=C2162C8.C432,15
C4.4D44th non-split extension by C4 of D4 acting via D4/C4=C216C4.4D432,31
C8.C22The non-split extension by C8 of C22 acting faithfully164-C8.C2^232,44
C4.10D42nd non-split extension by C4 of D4 acting via D4/C22=C2164-C4.10D432,8
C22.D43rd non-split extension by C22 of D4 acting via D4/C22=C216C2^2.D432,30
C2.D82nd central extension by C2 of D832C2.D832,14
C4.Q81st non-split extension by C4 of Q8 acting via Q8/C4=C232C4.Q832,13
C2.C421st central stem extension by C2 of C4232C2.C4^232,2
C42.C24th non-split extension by C42 of C2 acting faithfully32C4^2.C232,32
C25Elementary abelian group of type [2,2,2,2,2]32C2^532,51
C4xC8Abelian group of type [4,8]32C4xC832,3
C2xC16Abelian group of type [2,16]32C2xC1632,16
C2xC42Abelian group of type [2,4,4]32C2xC4^232,21
C22xC8Abelian group of type [2,2,8]32C2^2xC832,36
C23xC4Abelian group of type [2,2,2,4]32C2^3xC432,45
C4xD4Direct product of C4 and D416C4xD432,25
C2xD8Direct product of C2 and D816C2xD832,39
C2xSD16Direct product of C2 and SD1616C2xSD1632,40
C22xD4Direct product of C22 and D416C2^2xD432,46
C2xM4(2)Direct product of C2 and M4(2)16C2xM4(2)32,37
C4xQ8Direct product of C4 and Q832C4xQ832,26
C2xQ16Direct product of C2 and Q1632C2xQ1632,41
C22xQ8Direct product of C22 and Q832C2^2xQ832,47
C2xC4oD4Direct product of C2 and C4oD416C2xC4oD432,48
C2xC22:C4Direct product of C2 and C22:C416C2xC2^2:C432,22
C2xC4:C4Direct product of C2 and C4:C432C2xC4:C432,23

Groups of order 33

dρLabelID
C33Cyclic group331C3333,1

Groups of order 34

dρLabelID
C34Cyclic group341C3434,2
D17Dihedral group172+D1734,1

Groups of order 35

dρLabelID
C35Cyclic group351C3535,1

Groups of order 36

dρLabelID
C36Cyclic group361C3636,2
D18Dihedral group; = C2xD9182+D1836,4
Dic9Dicyclic group; = C9:C4362-Dic936,1
C32:C4The semidirect product of C32 and C4 acting faithfully64+C3^2:C436,9
C3:Dic3The semidirect product of C3 and Dic3 acting via Dic3/C6=C236C3:Dic336,7
C3.A4The central extension by C3 of A4183C3.A436,3
C62Abelian group of type [6,6]36C6^236,14
C2xC18Abelian group of type [2,18]36C2xC1836,5
C3xC12Abelian group of type [3,12]36C3xC1236,8
S32Direct product of S3 and S3; = Spin+4(F2) = Hol(S3)64+S3^236,10
S3xC6Direct product of C6 and S3122S3xC636,12
C3xA4Direct product of C3 and A4123C3xA436,11
C3xDic3Direct product of C3 and Dic3122C3xDic336,6
C2xC3:S3Direct product of C2 and C3:S318C2xC3:S336,13

Groups of order 37

dρLabelID
C37Cyclic group371C3737,1

Groups of order 38

dρLabelID
C38Cyclic group381C3838,2
D19Dihedral group192+D1938,1

Groups of order 39

dρLabelID
C39Cyclic group391C3939,2
C13:C3The semidirect product of C13 and C3 acting faithfully133C13:C339,1

Groups of order 40

dρLabelID
C40Cyclic group401C4040,2
D20Dihedral group202+D2040,6
Dic10Dicyclic group; = C5:Q8402-Dic1040,4
C5:D4The semidirect product of C5 and D4 acting via D4/C22=C2202C5:D440,8
C5:C8The semidirect product of C5 and C8 acting via C8/C2=C4404-C5:C840,3
C5:2C8The semidirect product of C5 and C8 acting via C8/C4=C2402C5:2C840,1
C2xC20Abelian group of type [2,20]40C2xC2040,9
C22xC10Abelian group of type [2,2,10]40C2^2xC1040,14
C2xF5Direct product of C2 and F5; = Aut(D10) = Hol(C10)104+C2xF540,12
C4xD5Direct product of C4 and D5202C4xD540,5
C5xD4Direct product of C5 and D4202C5xD440,10
C22xD5Direct product of C22 and D520C2^2xD540,13
C5xQ8Direct product of C5 and Q8402C5xQ840,11
C2xDic5Direct product of C2 and Dic540C2xDic540,7

Groups of order 41

dρLabelID
C41Cyclic group411C4141,1

Groups of order 42

dρLabelID
C42Cyclic group421C4242,6
D21Dihedral group212+D2142,5
F7Frobenius group; = C7:C6 = AGL1(F7) = Aut(D7) = Hol(C7)76+F742,1
S3xC7Direct product of C7 and S3212S3xC742,3
C3xD7Direct product of C3 and D7212C3xD742,4
C2xC7:C3Direct product of C2 and C7:C3143C2xC7:C342,2

Groups of order 43

dρLabelID
C43Cyclic group431C4343,1

Groups of order 44

dρLabelID
C44Cyclic group441C4444,2
D22Dihedral group; = C2xD11222+D2244,3
Dic11Dicyclic group; = C11:C4442-Dic1144,1
C2xC22Abelian group of type [2,22]44C2xC2244,4

Groups of order 45

dρLabelID
C45Cyclic group451C4545,1
C3xC15Abelian group of type [3,15]45C3xC1545,2

Groups of order 46

dρLabelID
C46Cyclic group461C4646,2
D23Dihedral group232+D2346,1

Groups of order 47

dρLabelID
C47Cyclic group471C4747,1

Groups of order 48

dρLabelID
C48Cyclic group481C4848,2
D24Dihedral group242+D2448,7
Dic12Dicyclic group; = C3:1Q16482-Dic1248,8
GL2(F3)General linear group on F32; = Q8:S3 = Aut(C32)82GL(2,3)48,29
CSU2(F3)Conformal special unitary group on F32; = Q8.S3 = 2O = <2,3,4>162-CSU(2,3)48,28
C4oD12Central product of C4 and D12242C4oD1248,37
A4:C4The semidirect product of A4 and C4 acting via C4/C2=C2; = SL2(Z/4Z)123A4:C448,30
C42:C3The semidirect product of C42 and C3 acting faithfully123C4^2:C348,3
C22:A4The semidirect product of C22 and A4 acting via A4/C22=C312C2^2:A448,50
D6:C4The semidirect product of D6 and C4 acting via C4/C2=C224D6:C448,14
D4:S3The semidirect product of D4 and S3 acting via S3/C3=C2244+D4:S348,15
C8:S33rd semidirect product of C8 and S3 acting via S3/C3=C2242C8:S348,5
C24:C22nd semidirect product of C24 and C2 acting faithfully242C24:C248,6
D4:2S3The semidirect product of D4 and S3 acting through Inn(D4)244-D4:2S348,39
Q8:2S3The semidirect product of Q8 and S3 acting via S3/C3=C2244+Q8:2S348,17
Q8:3S3The semidirect product of Q8 and S3 acting through Inn(Q8)244+Q8:3S348,41
C3:C16The semidirect product of C3 and C16 acting via C16/C8=C2482C3:C1648,1
C4:Dic3The semidirect product of C4 and Dic3 acting via Dic3/C6=C248C4:Dic348,13
C3:Q16The semidirect product of C3 and Q16 acting via Q16/Q8=C2484-C3:Q1648,18
Dic3:C4The semidirect product of Dic3 and C4 acting via C4/C2=C248Dic3:C448,12
C4.A4The central extension by C4 of A4162C4.A448,33
D4.S3The non-split extension by D4 of S3 acting via S3/C3=C2244-D4.S348,16
C4.Dic3The non-split extension by C4 of Dic3 acting via Dic3/C6=C2242C4.Dic348,10
C6.D47th non-split extension by C6 of D4 acting via D4/C22=C224C6.D448,19
C4xC12Abelian group of type [4,12]48C4xC1248,20
C2xC24Abelian group of type [2,24]48C2xC2448,23
C23xC6Abelian group of type [2,2,2,6]48C2^3xC648,52
C22xC12Abelian group of type [2,2,12]48C2^2xC1248,44
C2xS4Direct product of C2 and S4; = O3(F3) = cube/octahedron symmetries63+C2xS448,48
C4xA4Direct product of C4 and A4123C4xA448,31
S3xD4Direct product of S3 and D4; = Aut(D12) = Hol(C12)124+S3xD448,38
C22xA4Direct product of C22 and A412C2^2xA448,49
C2xSL2(F3)Direct product of C2 and SL2(F3)16C2xSL(2,3)48,32
S3xC8Direct product of C8 and S3242S3xC848,4
C3xD8Direct product of C3 and D8242C3xD848,25
C6xD4Direct product of C6 and D424C6xD448,45
S3xQ8Direct product of S3 and Q8244-S3xQ848,40
C2xD12Direct product of C2 and D1224C2xD1248,36
S3xC23Direct product of C23 and S324S3xC2^348,51
C3xSD16Direct product of C3 and SD16242C3xSD1648,26
C3xM4(2)Direct product of C3 and M4(2)242C3xM4(2)48,24
C6xQ8Direct product of C6 and Q848C6xQ848,46
C3xQ16Direct product of C3 and Q16482C3xQ1648,27
C4xDic3Direct product of C4 and Dic348C4xDic348,11
C2xDic6Direct product of C2 and Dic648C2xDic648,34
C22xDic3Direct product of C22 and Dic348C2^2xDic348,42
S3xC2xC4Direct product of C2xC4 and S324S3xC2xC448,35
C2xC3:D4Direct product of C2 and C3:D424C2xC3:D448,43
C3xC4oD4Direct product of C3 and C4oD4242C3xC4oD448,47
C3xC22:C4Direct product of C3 and C22:C424C3xC2^2:C448,21
C2xC3:C8Direct product of C2 and C3:C848C2xC3:C848,9
C3xC4:C4Direct product of C3 and C4:C448C3xC4:C448,22

Groups of order 49

dρLabelID
C49Cyclic group491C4949,1
C72Elementary abelian group of type [7,7]49C7^249,2

Groups of order 50

dρLabelID
C50Cyclic group501C5050,2
D25Dihedral group252+D2550,1
C5:D5The semidirect product of C5 and D5 acting via D5/C5=C225C5:D550,4
C5xC10Abelian group of type [5,10]50C5xC1050,5
C5xD5Direct product of C5 and D5; = AΣL1(F25)102C5xD550,3

Groups of order 51

dρLabelID
C51Cyclic group511C5151,1

Groups of order 52

dρLabelID
C52Cyclic group521C5252,2
D26Dihedral group; = C2xD13262+D2652,4
Dic13Dicyclic group; = C13:2C4522-Dic1352,1
C13:C4The semidirect product of C13 and C4 acting faithfully134+C13:C452,3
C2xC26Abelian group of type [2,26]52C2xC2652,5

Groups of order 53

dρLabelID
C53Cyclic group531C5353,1

Groups of order 54

dρLabelID
C54Cyclic group541C5454,2
D27Dihedral group272+D2754,1
C9:C6The semidirect product of C9 and C6 acting faithfully; = Aut(D9) = Hol(C9)96+C9:C654,6
C32:C6The semidirect product of C32 and C6 acting faithfully96+C3^2:C654,5
He3:C22nd semidirect product of He3 and C2 acting faithfully; = Aut(3- 1+2)93He3:C254,8
C9:S3The semidirect product of C9 and S3 acting via S3/C3=C227C9:S354,7
C33:C23rd semidirect product of C33 and C2 acting faithfully27C3^3:C254,14
C3xC18Abelian group of type [3,18]54C3xC1854,9
C32xC6Abelian group of type [3,3,6]54C3^2xC654,15
S3xC9Direct product of C9 and S3182S3xC954,4
C3xD9Direct product of C3 and D9182C3xD954,3
C2xHe3Direct product of C2 and He3183C2xHe354,10
S3xC32Direct product of C32 and S318S3xC3^254,12
C2x3- 1+2Direct product of C2 and 3- 1+2183C2xES-(3,1)54,11
C3xC3:S3Direct product of C3 and C3:S318C3xC3:S354,13

Groups of order 55

dρLabelID
C55Cyclic group551C5555,2
C11:C5The semidirect product of C11 and C5 acting faithfully115C11:C555,1

Groups of order 56

dρLabelID
C56Cyclic group561C5656,2
D28Dihedral group282+D2856,5
F8Frobenius group; = C23:C7 = AGL1(F8)87+F856,11
Dic14Dicyclic group; = C7:Q8562-Dic1456,3
C7:D4The semidirect product of C7 and D4 acting via D4/C22=C2282C7:D456,7
C7:C8The semidirect product of C7 and C8 acting via C8/C4=C2562C7:C856,1
C2xC28Abelian group of type [2,28]56C2xC2856,8
C22xC14Abelian group of type [2,2,14]56C2^2xC1456,13
C4xD7Direct product of C4 and D7282C4xD756,4
C7xD4Direct product of C7 and D4282C7xD456,9
C22xD7Direct product of C22 and D728C2^2xD756,12
C7xQ8Direct product of C7 and Q8562C7xQ856,10
C2xDic7Direct product of C2 and Dic756C2xDic756,6

Groups of order 57

dρLabelID
C57Cyclic group571C5757,2
C19:C3The semidirect product of C19 and C3 acting faithfully193C19:C357,1

Groups of order 58

dρLabelID
C58Cyclic group581C5858,2
D29Dihedral group292+D2958,1

Groups of order 59

dρLabelID
C59Cyclic group591C5959,1

Groups of order 60

dρLabelID
C60Cyclic group601C6060,4
A5Alternating group on 5 letters; = SL2(F4) = L2(5) = L2(4) = icosahedron/dodecahedron rotations; 1st non-abelian simple53+A560,5
D30Dihedral group; = C2xD15302+D3060,12
Dic15Dicyclic group; = C3:Dic5602-Dic1560,3
C3:F5The semidirect product of C3 and F5 acting via F5/D5=C2154C3:F560,7
C2xC30Abelian group of type [2,30]60C2xC3060,13
S3xD5Direct product of S3 and D5154+S3xD560,8
C3xF5Direct product of C3 and F5154C3xF560,6
C5xA4Direct product of C5 and A4203C5xA460,9
C6xD5Direct product of C6 and D5302C6xD560,10
S3xC10Direct product of C10 and S3302S3xC1060,11
C5xDic3Direct product of C5 and Dic3602C5xDic360,1
C3xDic5Direct product of C3 and Dic5602C3xDic560,2
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