| order | 20224 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #12316 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C79 · Schur multiplier (H2) = C22 |
| direct product | C79×#12411 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C79 | #447 |
| commutator, Frattini, cosocle | C4×C8 | C23×C79 |
| prime radical | C2×D8×C79 | D4 |
| LCS | G ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C79 ◁ C42×C79 ◁ C8×Q8×C79 ◁ G | |
284 conjugacy classes of subgroups; only the 86 normal subgroups are shown.
This group has 284 conjugacy classes of subgroups — too many to draw. Only its 86 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 127 |
| transitive degree | μt(G) = 10112 |
A minimal faithful permutation representation — 3 generators on 127 points:
(1,2,6,10)(3,11,4,13)(5,15,16,9)(7,14,8,12)(17,18,22,27)(19,28,32,46)(20,24,34,26)(21,35,37,41)(23,38,40,30)(25,42,44,33)(29,43,31,48)(36,45,47,39)(49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127);(1,3,6,4)(2,7,10,8)(5,14,16,12)(9,13,15,11)(17,19,22,32)(18,23,27,40)(20,29,34,31)(21,36,37,47)(24,39,26,45)(25,43,44,48)(28,41,46,35)(30,42,38,33);(1,4,6,3)(2,8,10,7)(5,12,16,14)(9,11,15,13)(17,20,22,34)(18,24,27,26)(19,29,32,31)(21,33,37,42)(23,39,40,45)(25,41,44,35)(28,43,46,48)(30,47,38,36)3160 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20224, 5399);