Finite Group Databasebeta

C79×#13346 #34125035

order20224
nilpotency class4
isoclinismisoclinic class of #13343
automorphism?
homologyAbelianization (H1) = C23×C79 · Schur multiplier (H2) = C25

Aliases

direct productC79×#13346

Subgroups

subgroupG/H
center, socleC22×C79B(4,𝔽2)
commutator, Frattini, cosocleC22×D4C23×C79
LCSG ▷ C22×D4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22×C79 ◁ C23×C79 ◁ C22×D4×C79 ◁ G

1022 conjugacy classes of subgroups; only the 98 normal subgroups are shown.

normal subgroups only

This group has 1022 conjugacy classes of subgroups — too many to draw. Only its 98 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) = 91
transitive degreeμt(G) = 2528

A minimal faithful permutation representation — 3 generators on 91 points:

(1,2)(3,4)(6,9)(7,11)(10,12)(13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91);(5,6)(7,12)(8,10)(9,11);(2,4)(7,11)

Conjugacy classes & character table

2449 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 6334);