| order | 1280 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #12463 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C5 · Schur multiplier (H2) = C2 |
| direct product | C5×#12464 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C2×C5 | #1675 |
| 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 | |
172 conjugacy classes of subgroups; only the 74 normal subgroups are shown.
This group has 172 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)(6,7,13,19)(8,20,26,52)(9,27)(10,32,34,17)(11,16,21,47)(12,36,33,18)(14,37,41,23)(15,42)(22,55)(24,50,53,40)(25,39,60,51)(28,46)(29,63)(30,48)(31,43)(35,44)(38,57)(45,54)(49,64)(56,62)(58,66)(59,65)(61,68)(67,69);(6,8,21,53,12,25,10,23,13,26,11,24,33,60,34,37)(7,14,17,39,18,40,16,20,19,41,32,51,36,50,47,52)(9,22,54,69,29,57,28,56,31,59,35,61,30,58,42,64)(15,38,48,67,44,55,43,49,46,66,63,68,45,65,27,62);(6,9)(7,15)(8,22)(10,28)(11,35)(12,29)(13,31)(14,38)(16,43)(17,48)(18,44)(19,46)(20,49)(21,54)(23,56)(24,61)(25,57)(26,59)(27,47)(30,33)(32,63)(34,42)(36,45)(37,64)(39,67)(40,55)(41,66)(50,65)(51,68)(52,62)(53,69)(58,60)185 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 5452);