Finite Group Databasebeta

C2×C79×#1649 #34130187

order20224
nilpotency class3
isoclinismisoclinic class of #1619
automorphism?
homologyAbelianization (H1) = C24×C79 · Schur multiplier (H2) = C26

Aliases

direct productC2×C79×#1649

Subgroups

subgroupG/H
center, socleC23×C79#120
commutator, Frattini, cosocleC42C24×C79
prime radicalC22×D4×C79D4
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C23×C79 ◁ C2×C42×C79 ◁ G

1206 conjugacy classes of subgroups.

Full subgroup data →

Presentation

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

A minimal faithful permutation representation — 4 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)(84,86)(85,88)(87,89)(90,91,96,100)(92,101,93,104)(94,99,95,98)(97,103,105,102);(83,86)(84,89)(87,88)(90,92,96,93)(91,97,100,105)(94,103,95,102)(98,104,99,101);(90,93,96,92)(91,97,100,105)(94,102,95,103)(98,104,99,101)

Conjugacy classes & character table

4108 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 11486);