| order | 1280 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #7217 |
| automorphism | ? |
| homology | Abelianization (H1) = C42×C5 · Schur multiplier (H2) = C2×C4 |
| direct product | C5×#7218 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C5 | #340 |
| commutator | C2×C8 | C42×C5 |
| Frattini, cosocle | C2×C4×C8 | C22×C5 |
| prime radical | C23×C5 | #102 |
| LCS | G ▷ C2×C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C2×C42×C5 ◁ C2×C4×C5×C8 ◁ G | |
202 conjugacy classes of subgroups; only the 90 normal subgroups are shown.
This group has 202 conjugacy classes of subgroups — too many to draw. Only its 90 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 53 |
| transitive degree | μt(G) = 320 |
A minimal faithful permutation representation — 2 generators on 53 points:
(1,2,3,4,5)(6,7)(8,14,16,20)(9,12)(10,13)(11,15,18,21)(17,19)(22,23)(24,34,36,48)(25,31)(26,41)(27,43)(28,33)(29,35,44,49)(30,39)(32,42)(37,52,50,46)(38,53,51,45)(40,47);(6,8)(7,11,13,18)(9,15)(10,16)(12,14,19,20)(17,21)(22,24,26,37,42,51,40,49,28,36,39,50,27,38,25,35)(23,29,31,45,43,52,30,34,33,44,47,53,32,46,41,48)260 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 206);