| order | 1280 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #7418 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C4×C5 · Schur multiplier (H2) = C2 |
| direct product | C5×#7446 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C5 | #357 |
| commutator | C2×C16 | C2×C4×C5 |
| Frattini, cosocle | C4×C16 | C22×C5 |
| prime radical | C2×C5×D16 | C4 |
| LCS | G ▷ C2×C16 ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C42×C5 ◁ C4×C5×C8 ◁ C4×C5×C16 ◁ G | |
136 conjugacy classes of subgroups; only the 54 normal subgroups are shown.
This group has 136 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) = 640 |
A minimal faithful permutation representation — 2 generators on 45 points:
(1,2,3,4,5)(6,7,8,11,9,10,12,13)(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);(7,10)(8,12)(14,15)(16,27)(17,33)(18,35)(19,36)(20,22)(21,29)(23,32)(24,28)(25,34)(26,37)(30,40)(31,38)(39,44)(41,43)(42,45)245 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 434);