| order | 1280 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #7422 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C4×C5 · Schur multiplier (H2) = C2 |
| direct product | C5×#7423 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C2×C5 | #1347 |
| commutator | C2×C16 | C2×C4×C5 |
| Frattini, cosocle | C2×M32 | C22×C5 |
| prime radical | C23×C5 | D16 |
| LCS | G ▷ C2×C16 ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C5 ◁ C2×C4×C5 ◁ C22×C5×C8 ◁ C2×C5×M32 ◁ G | |
140 conjugacy classes of subgroups; only the 46 normal subgroups are shown.
This group has 140 conjugacy classes of subgroups — too many to draw. Only its 46 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 — 2 generators on 69 points:
(1,2,3,4,5)(6,7)(8,19,21,50)(9,25,28,49)(10,32)(11,35)(12,38)(13,18)(14,20)(15,29,44,30)(16,27)(17,34)(22,55,23,56)(24,57,39,51)(26,46)(31,64,62,58)(33,67,36,43)(37,47)(40,65)(41,59)(42,54)(45,63,68,61)(48,53)(52,69)(60,66);(6,8,13,21)(7,14,18,42)(9,26,28,52)(10,33,11,36)(12,39,34,24)(15,43,44,67)(16,46,47,69)(17,48,38,41)(19,49,50,25)(20,29,54,30)(22,27,23,37)(31,65,62,60)(32,66,35,40)(45,56,68,55)(51,58,57,64)(53,63,59,61)155 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 411);