Finite Group Databasebeta

C23⋊(Dic73⋊C3) #34117889

order20148
automorphism?
homologyAbelianization (H1) = C3×C4 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC23⋊(Dic73⋊C3)
unambiguous semidirect productDic1679⋊C3

Splittings

derived, HallC23×C73 ⋊ C3×C4
HallDic1679 ⋊ C3
HallC23×C73⋊C3 ⋊ C4
HallC73⋊C3 ⋊ Dic23
SylowC73 ⋊ C3×Dic23
SylowC23 ⋊ Dic73⋊C3

Subgroups

subgroupG/H
center, Frattini, hypercenterC2C23⋊(D73⋊C3)
commutator, hypocenterC23×C73C3×C4
Fitting, socle, cosocleC2×C23×C73C2×C3
prime radicalC2×C23×C73⋊C3C2
LCSG ▷ C23×C73
UCSC1 ◁ C2

24 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 100
transitive degreeμt(G) = 6716

A minimal faithful permutation representation — 2 generators on 100 points:

(2,6,7,3,4,8)(5,14,15,9,10,24)(11,27,28,17,18,41)(12,26,22,20,16,13)(19,46,47,30,31,60)(21,44,45,33,29,38)(23,25,43,35,36,39)(32,48,57,34,49,63)(37,42,62,50,51,58)(40,67,65,54,55,53)(52,61,68,56,64,72)(59,73,71,69,70,66)(75,76)(77,78)(79,80)(81,82)(83,84)(85,86)(87,88)(89,90)(91,92)(93,94)(95,96)(97,98,99,100);(1,2,5,11,19,32,33,20,4,8,13,23,37,52,54,36,10,16,24,38,53,66,69,51,18,29,39,41,57,68,73,64,31,48,55,58,60,47,62,67,49,46,61,70,72,63,28,43,44,27,42,59,71,65,45,15,26,14,25,40,56,50,35,22,7,6,12,21,34,30,17,9,3)(74,75,77,79,81,83,85,87,89,91,93,95,96,94,92,90,88,86,84,82,80,78,76)

Polycyclic presentation:

2,3,23,73,2|a^2=e,c^a=c^22,d^a=d^72,d^b=d^8

Conjugacy classes & character table

630 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20148, 12);