| order | 1280 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #7262 |
| automorphism | ? |
| homology | Abelianization (H1) = C42×C5 · Schur multiplier (H2) = C2 |
| direct product | C5×#7303 |
| 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 ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C2×C42×C5 ◁ C2×C4×C5×C8 ◁ G | |
204 conjugacy classes of subgroups; only the 90 normal subgroups are shown.
This group has 204 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) = 45 |
| transitive degree | μt(G) = 640 |
A minimal faithful permutation representation — 2 generators on 45 points:
(1,2,3,4,5)(6,7,10,12,11,8,9,13)(14,15,18,24,21,26,20,36)(16,27,29,42,31,43,34,38)(17,25,19,35,33,41,32,23)(22,30,37,28,40,44,39,45);(6,8,11,7)(9,12,10,13)(14,16,19,30,18,34,33,45,21,31,32,44,20,29,17,28)(15,22,25,38,36,37,23,27,26,40,41,42,24,39,35,43)230 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 291);