| order | 1280 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #7221 |
| automorphism | ? |
| homology | Abelianization (H1) = C42×C5 · Schur multiplier (H2) = C4 |
| direct product | C5×#7224 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C5 | #340 |
| commutator | C2×C8 | C42×C5 |
| Frattini, cosocle | C2×C4×C8 | C22×C5 |
| prime radical | C23×C5 | #103 |
| LCS | G ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C2×C42×C5 ◁ C2×C4×C5×C8 ◁ G | |
184 conjugacy classes of subgroups; only the 86 normal subgroups are shown.
This group has 184 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) = 53 |
| transitive degree | μt(G) = 640 |
A minimal faithful permutation representation — 2 generators on 53 points:
(1,2,3,4,5)(6,7)(8,14,16,20)(9,12)(10,13)(11,15,18,21)(17,19)(22,23,26,31,28,34,45,33)(24,35,37,48,40,50,39,53)(25,41,43,30,44,32,27,46)(29,38,47,36,49,52,51,42);(6,8)(7,11,13,18)(9,15)(10,16)(12,14,19,20)(17,21)(22,24,27,38,45,37,44,36,28,40,43,52,26,39,25,42)(23,29,32,48,31,51,46,35,34,49,41,53,33,47,30,50)200 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 212);