Finite Group Databasebeta

C4×#393×C79 #34125548

order20224
nilpotency class2
isoclinismisoclinic class of #392
automorphism?
homologyAbelianization (H1) = C23×C4×C79 · Schur multiplier (H2) = C27

Aliases

direct productC4×#393×C79

Subgroups

subgroupG/H
centerC23×C4×C79C23
commutatorC23C23×C4×C79
Frattini, cosocleC24C24×C79
socleC24×C79C24
prime radicalC25×C79C23
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23×C4×C79 ◁ G

2158 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 99
transitive degreeμt(G) = 10112

A minimal faithful permutation representation — 4 generators on 99 points:

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

Conjugacy classes & character table

6952 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 6847);