| order | 20224 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #7213 |
| automorphism | ? |
| homology | Abelianization (H1) = C42×C79 · Schur multiplier (H2) = C22×C4 |
| direct product | C79×#7213 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C79 | #342 |
| commutator | C22×C4 | C42×C79 |
| Frattini, cosocle | C22×C22⋊C4 | C22×C79 |
| prime radical | C25×C79 | D4 |
| LCS | G ▷ C22×C4 ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C79 ◁ C24×C79 ◁ C22×C22⋊C4×C79 ◁ G | |
560 conjugacy classes of subgroups; only the 82 normal subgroups are shown.
This group has 560 conjugacy classes of subgroups — too many to draw. Only its 82 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 95 |
| transitive degree | μt(G) = 1264 |
A minimal faithful permutation representation — 2 generators on 95 points:
(1,2)(3,7,8,5)(4,6)(9,10)(11,13)(12,15)(14,16)(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);(2,5)(6,7)(10,13,15,14)3160 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20224, 201);