| order | 1280 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #12463 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C5 · Schur multiplier (H2) = C2 |
| direct product | C5×#12463 |
| 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)(8,20,25,52)(9,26)(10,31,33,17)(11,16,35,47)(12,36,32,18)(14,37,41,22)(15,42)(21,53)(23,50,60,40)(24,39,58,51)(27,46)(28,62)(29,48)(30,43)(34,44)(38,55)(45,63)(49,64)(54,61)(56,66)(57,65)(59,68)(67,69);(6,8,11,23,12,24,33,37,13,25,35,60,32,58,10,22)(7,14,31,51,18,40,47,52,19,41,17,39,36,50,16,20)(9,21,34,59,28,55,42,64,30,57,63,69,29,56,27,54)(15,38,62,68,44,53,26,61,46,66,48,67,45,65,43,49);(6,9)(7,15)(8,21)(10,27)(11,34)(12,28)(13,30)(14,38)(16,43)(17,48)(18,44)(19,46)(20,49)(22,54)(23,59)(24,55)(25,57)(26,47)(29,32)(31,62)(33,42)(35,63)(36,45)(37,64)(39,67)(40,53)(41,66)(50,65)(51,68)(52,61)(56,58)(60,69)185 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 5451);