Finite Group Databasebeta

Dic387 #13095412

order1548
isoclinismisoclinic class of D387
automorphismAut(G) order 195048
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

dicyclicDic387
unambiguous semidirect productC9⋊Dic43
unambiguous semidirect productC43⋊Dic9

Splittings

derived, HallC9×C43 ⋊ C4
SylowC43 ⋊ Dic9
SylowC9 ⋊ Dic43

Subgroups

subgroupG/H
center, hypercenterC2D387
commutator, hypocenterC9×C43C4
FrattiniC2×C3D129
Fitting, cosocleC2×C9×C43C2
socle, prime radicalC2×C3×C43D3
LCSG ▷ C9×C43
UCSC1 ◁ C2

18 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 56
transitive degreeμt(G) = 1548

A minimal faithful permutation representation — 2 generators on 56 points:

(1,2)(3,4)(5,6,7,8,9,10,11,12,13)(14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56);(1,3,2,4)(6,13)(7,12)(8,11)(9,10)(15,56)(16,55)(17,54)(18,53)(19,52)(20,51)(21,50)(22,49)(23,48)(24,47)(25,46)(26,45)(27,44)(28,43)(29,42)(30,41)(31,40)(32,39)(33,38)(34,37)(35,36)

Polycyclic presentation:

2^2,3,43,3|a^2=b,c^3=e,c^a=c^2e^2,d^a=d^42,e^a=e^2

Conjugacy classes & character table

390 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC9⋊(Dic43⋊C7), C7×Dic387, Dic2709, …
maximal normal subgroup ofC9⋊(Dic43⋊C7), C7×Dic387, C11×Dic387, …
maximal quotient ofC7×Dic387, Dic2709, C11×Dic387, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1548, 5);