Finite Group Databasebeta

C79×#7523 #34119212

order20224
nilpotency class6
isoclinismisoclinic class of #7523
automorphism?
homologyAbelianization (H1) = C2×C4×C79 · Schur multiplier (H2) = C2

Aliases

direct productC79×#7523

Subgroups

subgroupG/H
center, socleC2×C79#1404
commutator#125C2×C4×C79
Frattini, cosocle#490C22×C79
prime radicalC79×#1656C2
LCSG ▷ #125 ▷ C42 ▷ C2×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C2×C79 ◁ C22×C79 ◁ C2×C4×C79 ◁ C42×C79 ◁ #490×C79 ◁ G

158 conjugacy classes of subgroups; only the 30 normal subgroups are shown.

normal subgroups only

This group has 158 conjugacy classes of subgroups — too many to draw. Only its 30 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) = 95
transitive degreeμt(G) = 1264

A minimal faithful permutation representation — 2 generators on 95 points:

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

Conjugacy classes & character table

1501 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 511);