Finite Group Databasebeta

C79×#12861 #34124550

order20224
nilpotency class4
isoclinismisoclinic class of #11505
automorphism?
homologyAbelianization (H1) = C22×C4×C79 · Schur multiplier (H2) = C23

Aliases

direct productC79×#12861

Subgroups

subgroupG/H
center, socleC22×C79C2×#99
commutatorC22×C4C22×C4×C79
Frattini, cosocleC22×Q8C23×C79
prime radicalC22×#41×C79C22
LCSG ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1
UCSC1 ◁ C22×C79 ◁ C22×C4×C79 ◁ C22×#41×C79 ◁ G

642 conjugacy classes of subgroups; only the 118 normal subgroups are shown.

normal subgroups only

This group has 642 conjugacy classes of subgroups — too many to draw. Only its 118 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) = 2528

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

(1,2)(3,6)(4,5)(7,8)(9,10,12,18,13,16,21,24)(11,17,19,15,20,14,22,23)(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);(2,5)(6,8)(9,11,13,20)(10,14,16,17)(12,19,21,22)(15,18,23,24);(1,3,4,7)(2,6,5,8)(9,12,13,21)(10,15,16,23)(11,19,20,22)(14,18,17,24)

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, 5849);