| order | 1280 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #13667 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C5 · Schur multiplier (H2) = C23 |
| direct product | C5×#13668 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C2×C5 | #2184 |
| commutator, Frattini, cosocle | C2×C16 | C23×C5 |
| prime radical | C5×#3414 | C2 |
| LCS | G ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C5 ◁ C2×C4×C5 ◁ C22×C5×C8 ◁ C2×C5×M32 ◁ G | |
284 conjugacy classes of subgroups; only the 74 normal subgroups are shown.
This group has 284 conjugacy classes of subgroups — too many to draw. Only its 74 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 69 |
| transitive degree | μt(G) = 320 |
A minimal faithful permutation representation — 3 generators on 69 points:
(1,2,3,4,5)(6,7,12,17)(8,18,20,47)(9,23,25,53)(10,29,32,63)(11,33,31,16)(13,35,36,19)(14,39,41,27)(15,43,45,26)(21,51,50,68)(22,52,34,48)(24,44,56,69)(28,61,59,55)(30,40,64,67)(37,62,65,58)(38,49,46,57)(42,60,54,66);(6,8)(7,13)(9,24)(10,30)(11,34)(12,20)(14,40)(15,44)(16,46)(17,36)(18,23)(19,27)(21,26)(22,31)(25,56)(28,62)(29,37)(32,64)(33,38)(35,39)(41,67)(42,68)(43,50)(45,69)(47,53)(48,61)(49,66)(51,54)(52,55)(57,60)(58,59)(63,65);(9,25)(14,41)(18,47)(19,35)(23,53)(24,56)(27,39)(28,59)(40,67)(42,54)(48,52)(49,57)(51,68)(55,61)(58,62)(60,66)155 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 6656);