Finite Group Databasebeta

C2×C79×#1656 #34130669

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

Aliases

direct productC2×C79×#1656

Subgroups

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

1138 conjugacy classes of subgroups; only the 238 normal subgroups are shown.

normal subgroups only

This group has 1138 conjugacy classes of subgroups — too many to draw. Only its 238 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 97
transitive degreeμt(G) = 10112

A minimal faithful permutation representation — 4 generators on 97 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)(84,88)(87,89)(91,94)(92,96)(95,97);(82,83,85,87)(84,89,88,86)(92,96)(94,97);(84,88)(86,89)(90,91)(92,97)(93,95)(94,96)

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, 11968);