Finite Group Databasebeta

C2×C79×#1682 #34130810

order20224
nilpotency class3
isoclinismisoclinic class of #1665
automorphism?
homologyAbelianization (H1) = C24×C79 · Schur multiplier (H2) = C25

Aliases

direct productC2×C79×#1682

Subgroups

subgroupG/H
center, socleC23×C79#121
commutator, Frattini, cosocleC42C24×C79
prime radicalC2×#127×C79C22
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C23×C79 ◁ C2×C42×C79 ◁ G

754 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);(83,86)(84,87)(88,89)(90,91)(92,98)(93,95)(94,102)(96,100)(97,101)(99,105)(103,104);(82,83,87,89,85,88,84,86)(91,95)(96,104)(97,102)(98,105);(90,92,93,99)(91,96,95,104)(94,103,101,100)(97,105,102,98)

Conjugacy classes & character table

4582 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 12109);