Finite Group Databasebeta

C2×C79×#1641 #34130200

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

Aliases

direct productC2×C79×#1641

Subgroups

subgroupG/H
center, socleC23×C79#120
commutator, Frattini, cosocleC42C24×C79
prime radicalC2×#550×C79C2
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C23×C79 ◁ C2×C42×C79 ◁ G

1290 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)(90,91,94,97)(92,98,99,105)(93,101,102,96)(95,103,104,100);(83,86)(84,89)(87,88)(93,102)(96,101)(98,105)(100,103);(90,92,94,99)(91,95,97,104)(93,103,102,100)(96,105,101,98)

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, 11499);