Finite Group Databasebeta

C2×C79×#2401 #34146238

order20224
nilpotency class2
isoclinismisoclinic class of #392
automorphism?
homologyAbelianization (H1) = C25×C79 · Schur multiplier (H2) = C27

Aliases

direct productC2×C79×#2401

Subgroups

subgroupG/H
centerC23×C4×C79C23
commutator, Frattini, cosocleC23C25×C79
socleC24×C79C24
prime radicalC25×C79C23
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C23×C4×C79 ◁ G

2294 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 105
transitive degreeμt(G) = 10112

A minimal faithful permutation representation — 5 generators on 105 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);(82,83,85,87)(84,86,88,89)(90,91,93,95)(92,94,96,97)(98,99)(100,103)(101,102)(104,105);(82,84,85,88)(83,86,87,89)(90,92)(91,94)(93,96)(95,97)(99,102)(103,105);(83,87)(86,89)(92,96)(94,97);(98,100,101,104)(99,103,102,105)

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, 27537);