Finite Group Databasebeta

C79×#7739 #34119428

order20224
nilpotency class3
isoclinismisoclinic class of #7734
automorphism?
homologyAbelianization (H1) = C23×C79 · Schur multiplier (H2) = C23

Aliases

direct productC79×#7739

Subgroups

subgroupG/H
center, socleC23×C79#120
commutator, Frattini, cosocleC2×C42C23×C79
prime radicalC2×#127×C79C22
LCSG ▷ C2×C42 ▷ C23 ▷ C1
UCSC1 ◁ C23×C79 ◁ C2×C42×C79 ◁ G

484 conjugacy classes of subgroups; only the 102 normal subgroups are shown.

normal subgroups only

This group has 484 conjugacy classes of subgroups — too many to draw. Only its 102 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) = 103
transitive degreeμt(G) = 10112

A minimal faithful permutation representation — 3 generators on 103 points:

(5,8)(9,10)(11,13)(12,15)(14,16)(18,21)(19,24)(22,23)(25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103);(1,2,4,6)(3,5,7,8)(17,18)(19,22)(20,23)(21,24);(1,3)(2,5)(4,7)(6,8)(10,13)(11,16)(14,15)(17,19,20,24)(18,22,23,21)

Conjugacy classes & character table

2923 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 727);