| order | 1280 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #13697 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C5 · Schur multiplier (H2) = C2×C4 |
| direct product | C5×#13697 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C5 | C2×D16 |
| commutator, Frattini, cosocle | C2×C16 | C23×C5 |
| LCS | G ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C22×C4×C5 ◁ C22×C5×C8 ◁ C22×C5×C16 ◁ G | |
210 conjugacy classes of subgroups; only the 74 normal subgroups are shown.
This group has 210 conjugacy classes of subgroups — too many to draw. Only its 74 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 41 |
| transitive degree | μt(G) = 640 |
A minimal faithful permutation representation — 3 generators on 41 points:
(1,2,3,4,5)(6,7)(8,9)(11,16)(12,17)(13,21)(14,24)(18,26)(19,35)(20,36)(22,38)(23,32)(25,37)(27,28)(29,34)(30,31)(33,41)(39,40);(10,11,17,28,13,19,30,36,24,34,38,41,37,39,23,26,15,18,32,40,25,33,22,29,14,20,31,35,21,27,12,16);(7,9)(11,18)(16,26)(19,33)(20,34)(27,39)(28,40)(29,36)(35,41)230 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 6685);