Finite Group Databasebeta

C79×#8533 #34120222

order20224
nilpotency class3
isoclinismisoclinic class of #8528
automorphism?
homologyAbelianization (H1) = C22×C4×C79 · Schur multiplier (H2) = C24

Aliases

direct productC79×#8533

Subgroups

subgroupG/H
center, socleC22×C79#379
commutatorC42C22×C4×C79
Frattini, cosocleC2×C42C23×C79
prime radicalC23×C79#120
LCSG ▷ C42 ▷ C22 ▷ C1
UCSC1 ◁ C22×C79 ◁ C2×C42×C79 ◁ G

656 conjugacy classes of subgroups; only the 150 normal subgroups are shown.

normal subgroups only

This group has 656 conjugacy classes of subgroups — too many to draw. Only its 150 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) = 5056

A minimal faithful permutation representation — 3 generators on 111 points:

(2,7)(3,10)(4,5)(9,12)(11,13)(14,15)(17,18,22,26,23,25,21,20)(19,27,30,32,31,24,29,28)(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);(1,2,6,9)(3,8,11,16)(4,12,5,7)(10,15,13,14)(17,19,23,31)(18,24,25,27)(20,28,26,32)(21,30,22,29);(1,3)(2,8)(4,10)(5,13)(6,11)(7,14)(9,16)(12,15)(17,20,23,26)(18,22,25,21)(19,28,31,32)(24,29,27,30)

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, 1521);