| order | 1280 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #12316 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C5 · Schur multiplier (H2) = C22 |
| direct product | C5×#12398 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C5 | #447 |
| commutator, Frattini, cosocle | C4×C8 | C23×C5 |
| prime radical | C2×C5×D4 | D8 |
| LCS | G ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C42×C5 ◁ C5×C8×D4 ◁ G | |
286 conjugacy classes of subgroups; only the 86 normal subgroups are shown.
This group has 286 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) = 53 |
| transitive degree | μt(G) = 640 |
A minimal faithful permutation representation — 3 generators on 53 points:
(1,2,3,4,5)(6,7,11,15)(8,16,19,20)(9,14,10,13)(12,18,21,17)(22,23,27,31)(24,32,35,51)(25,36,40,50)(26,41,38,30)(28,43,45,33)(29,46,48,39)(34,52,42,47)(37,49,53,44);(6,8,11,19)(7,12,15,21)(9,18,10,17)(13,20,14,16)(22,24,27,35)(23,28,31,45)(25,37,40,53)(26,42,38,34)(29,47,48,52)(30,49,41,44)(32,50,51,36)(33,46,43,39);(7,13)(9,10)(12,20)(14,15)(16,21)(17,18)200 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 5386);