Finite Group Databasebeta

C79×#7319 #34119008

order20224
nilpotency class4
isoclinismisoclinic class of #7318
automorphism?
homologyAbelianization (H1) = C42×C79 · Schur multiplier (H2) = C23

Aliases

direct productC79×#7319

Subgroups

subgroupG/H
center, socleC2×C79#1304
commutatorC22×C4C42×C79
Frattini, cosocleC22×#41C22×C79
prime radicalC22×#41×C79C22
LCSG ▷ C22×C4 ▷ C23 ▷ C2 ▷ C1
UCSC1 ◁ C2×C79 ◁ C23×C79 ◁ C22×#41×C79 ◁ G

456 conjugacy classes of subgroups; only the 74 normal subgroups are shown.

normal subgroups only

This group has 456 conjugacy classes of subgroups — too many to draw. Only its 74 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) = 111
transitive degreeμt(G) = 2528

A minimal faithful permutation representation — 2 generators on 111 points:

(1,2,5,9,6,10,18,24)(3,11,13,25,14,26,27,32)(4,8,16,22,17,23,29,31)(7,19,20,15,21,28,30,12)(33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111);(1,3)(2,7,10,21)(4,15)(5,13,18,27)(6,14)(8,11,23,26)(9,20)(12,17)(16,28,29,19)(22,25)(24,30)(31,32)

Conjugacy classes & character table

2212 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20224, 307);