Finite Group Databasebeta

C2×C79×#1664 #34130675

order20224
nilpotency class3
isoclinismisoclinic class of #1655
automorphism?
homologyAbelianization (H1) = C24×C79 · Schur multiplier (H2) = C25

Aliases

direct productC2×C79×#1664

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

894 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 113
transitive degreeμt(G) = 10112

A minimal faithful permutation representation — 4 generators on 113 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);(82,83,87,91)(84,92,94,97)(85,90,86,89)(88,95,96,93)(100,106)(101,108)(103,111)(104,109)(107,110)(112,113);(82,84)(83,88)(85,95)(86,93)(87,94)(89,97)(90,92)(91,96)(98,99,102,105)(100,103,107,112)(101,109,108,104)(106,113,110,111);(82,84)(83,88)(85,93)(86,95)(87,94)(89,92)(90,97)(91,96)(98,100,102,107)(99,103,105,112)(101,110,108,106)(104,113,109,111)

Conjugacy classes & character table

3160 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 11974);