| order | 1280 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #7225 |
| automorphism | ? |
| homology | Abelianization (H1) = C42×C5 · Schur multiplier (H2) = C22 |
| direct product | C5×#7229 |
| 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 | |
244 conjugacy classes of subgroups; only the 86 normal subgroups are shown.
This group has 244 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)(6,7,10,15,12,17,24,40)(8,18,20,42,22,44,45,61)(9,23,25,14,28,37,27,39)(11,30,29,41,31,59,53,16)(13,32,33,19,36,46,35,48)(21,50,49,65,51,69,66,43)(26,55,54,52,57,38,56,64)(34,47,62,67,63,68,58,60);(6,8,11,21,24,45,53,66,12,22,31,51,10,20,29,49)(7,13,16,34,15,35,30,58,17,36,41,63,40,33,59,62)(9,19,26,47,25,46,54,67,28,48,57,68,27,32,56,60)(14,18,38,43,23,42,52,50,39,44,55,65,37,61,64,69)200 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 217);