| order | 1280 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #7389 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C5×C8 · Schur multiplier (H2) = C2 |
| direct product | C5×#7391 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C2×C5 | #1333 |
| commutator | C16 | C2×C5×C8 |
| Frattini, cosocle | #346 | C22×C5 |
| prime radical | C22×C5 | #361 |
| LCS | G ▷ C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C5 ◁ C2×C4×C5 ◁ C4×C5×C8 ◁ C5×#346 ◁ G | |
116 conjugacy classes of subgroups; only the 50 normal subgroups are shown.
This group has 116 conjugacy classes of subgroups — too many to draw. Only its 50 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)(6,7,10,16,12,18,34,46,13,20,11,35,33,19,37,17)(8,21,23,45,24,54,31,53,25,56,58,68,38,55,36,67)(9,26,28,50,29,51,65,49,30,63,32,15,44,47,57,48)(14,27,39,22,41,59,52,61,43,64,69,62,42,60,40,66);(6,8,13,25)(7,14,20,43)(9,27,30,64)(10,31,11,36)(12,38,33,24)(15,45,50,68)(16,40,35,52)(17,39,46,69)(18,42,19,41)(21,51,56,47)(22,57,62,65)(23,37,58,34)(26,55,63,54)(28,61,32,66)(29,60,44,59)(48,67,49,53)170 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 379);