| order | 1280 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #13697 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C5 · Schur multiplier (H2) = C4 |
| direct product | C5×#13723 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C5 | C2×D16 |
| commutator, Frattini, cosocle | C2×C16 | C23×C5 |
| prime radical | C5×#2246 | C2 |
| LCS | G ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C42×C5 ◁ C4×C5×C8 ◁ C4×C5×C16 ◁ G | |
194 conjugacy classes of subgroups; only the 78 normal subgroups are shown.
This group has 194 conjugacy classes of subgroups — too many to draw. Only its 78 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 — 3 generators on 45 points:
(1,2,3,4,5)(6,7)(8,11)(9,10)(12,13)(15,16)(17,18)(19,30)(20,35)(22,32)(23,27)(24,40)(25,39)(26,29)(28,41)(31,38)(33,34)(36,44)(37,43)(42,45);(7,10)(11,13)(14,15,22,37,19,24,31,28,35,41,34,40,44,43,17,16,21,26,18,23,36,42,33,39,20,25,38,45,30,27,32,29);(6,8,9,12)(7,11,10,13)(14,16,17,27,30,40,34,25,20,28,31,42,36,37,22,26,21,29,32,43,44,45,38,41,35,39,33,24,19,23,18,15)230 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 6711);