| order | 1280 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #12436 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C5 · Schur multiplier (H2) = C22 |
| direct product | C5×#12437 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C2×C5 | #1667 |
| commutator, Frattini, cosocle | C4×C8 | C23×C5 |
| prime radical | C5×#135 | D4 |
| LCS | G ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C2×C5 ◁ C2×C4×C5 ◁ C4×C5×C8 ◁ G | |
214 conjugacy classes of subgroups; only the 74 normal subgroups are shown.
This group has 214 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) = 69 |
| transitive degree | μt(G) = 320 |
A minimal faithful permutation representation — 3 generators on 69 points:
(1,2,3,4,5)(6,7,14,21)(8,22,28,52)(9,29,32,60)(10,18,34,46)(11,17,33,47)(12,20,13,19)(15,37,42,24)(16,43,45,30)(23,53,56,64)(25,41,57,40)(26,51,27,39)(31,61,36,48)(35,49,62,44)(38,55,65,59)(50,63,67,54)(58,68,69,66);(6,8,11,25,12,26,34,37,14,28,33,57,13,27,10,24)(7,15,18,39,19,40,47,52,21,42,46,51,20,41,17,22)(9,23,35,58,31,55,43,63,32,56,62,69,36,59,30,54)(16,38,48,66,44,64,60,67,45,65,61,68,49,53,29,50);(6,9)(7,16)(8,23)(10,30)(11,35)(12,31)(13,36)(14,32)(15,38)(17,29)(18,48)(19,44)(20,49)(21,45)(22,50)(24,54)(25,58)(26,55)(27,59)(28,56)(33,62)(34,43)(37,63)(39,66)(40,64)(41,53)(42,65)(46,61)(47,60)(51,68)(52,67)(57,69)185 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 5425);