| order | 20224 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #7217 |
| automorphism | ? |
| homology | Abelianization (H1) = C42×C79 · Schur multiplier (H2) = C2×C4 |
| direct product | C79×#7218 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C79 | #340 |
| commutator | C2×C8 | C42×C79 |
| Frattini, cosocle | C2×C4×C8 | C22×C79 |
| prime radical | C23×C79 | #102 |
| LCS | G ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C79 ◁ C2×C42×C79 ◁ C2×C4×C8×C79 ◁ G | |
202 conjugacy classes of subgroups; only the 90 normal subgroups are shown.
This group has 202 conjugacy classes of subgroups — too many to draw. Only its 90 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) = 5056 |
A minimal faithful permutation representation — 2 generators on 127 points:
(1,2)(3,9,10,6)(4,8)(5,7)(11,15,16,13)(12,14)(17,18)(19,29,31,43)(20,26)(21,36)(22,38)(23,28)(24,30,39,44)(25,34)(27,37)(32,47,45,41)(33,48,46,40)(35,42)(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);(1,3,4,11,5,10,12,16)(2,6,8,13,7,9,14,15)(17,19,21,32,37,46,35,44,23,31,34,45,22,33,20,30)(18,24,26,40,38,47,25,29,28,39,42,48,27,41,36,43)4108 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20224, 206);