| order | 1280 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #7418 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C4×C5 · Schur multiplier (H2) = C2 |
| direct product | C5×#7419 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C5 | #357 |
| commutator | C2×C16 | C2×C4×C5 |
| Frattini, cosocle | C22×C16 | C22×C5 |
| prime radical | C23×C5 | D16 |
| LCS | G ▷ C2×C16 ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C22×C4×C5 ◁ C22×C5×C8 ◁ C22×C5×C16 ◁ G | |
152 conjugacy classes of subgroups; only the 54 normal subgroups are shown.
This group has 152 conjugacy classes of subgroups — too many to draw. Only its 54 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) = 320 |
A minimal faithful permutation representation — 2 generators on 45 points:
(1,2,3,4,5)(6,7)(8,12,13,10)(9,11)(15,21,22,37)(16,26)(17,32)(18,28)(19,34)(23,40,24,41)(25,42,36,39)(27,33,38,35)(29,31)(30,45)(43,44);(6,8)(7,10)(9,13)(11,12)(14,15,20,22)(16,27,31,38)(17,33,18,35)(19,36,34,25)(21,26,37,29)(23,28,24,32)(30,40,43,41)(39,45,42,44)245 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 407);