| order | 1280 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #7225 |
| automorphism | ? |
| homology | Abelianization (H1) = C42×C5 · Schur multiplier (H2) = C22 |
| direct product | C5×#7227 |
| subgroup | G/H | |
|---|---|---|
| center | C4×C5 | H(3,ℤ/4) |
| commutator | C2×C8 | C42×C5 |
| Frattini, cosocle | C2×#131 | C22×C5 |
| socle | C2×C5 | #1289 |
| prime radical | C2×C5×#41 | D4 |
| LCS | G ▷ C2×C8 ▷ C4 ▷ C1 | |
| UCS | C1 ◁ C4×C5 ◁ C2×C5×C8 ◁ G | |
248 conjugacy classes of subgroups; only the 86 normal subgroups are shown.
This group has 248 conjugacy classes of subgroups — too many to draw. Only its 86 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)(8,18)(9,23,25,49)(10,28)(11,16)(12,17)(13,19,31,43)(14,27,34,51)(15,36)(20,46)(21,40)(22,41)(24,37)(26,53,52,35)(29,38)(30,56)(32,59,57,67)(33,45,58,64)(39,60)(42,62)(44,66,65,55)(47,63)(48,68)(50,54,69,61);(6,8,10,20,11,21,29,47,12,22,30,48,24,42,36,60)(7,13,15,32,37,58,56,66,17,31,38,57,16,33,28,55)(9,19,26,44,27,45,54,67,25,43,52,65,51,64,61,59)(14,18,35,39,49,62,69,68,34,41,53,63,23,40,50,46)200 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 215);