| order | 1280 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #12324 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C5 · Schur multiplier (H2) = C22 |
| direct product | C5×#12401 |
| 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×#436 ◁ G | |
274 conjugacy classes of subgroups; only the 78 normal subgroups are shown.
This group has 274 conjugacy classes of subgroups — too many to draw. Only its 78 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)(22,23,28,32)(24,33,36,51)(25,30,27,42)(26,38,41,49)(29,44,46,35)(31,37,50,40)(34,52,43,48)(39,45,53,47);(6,8,11,19)(7,12,15,21)(9,18,10,17)(13,20,14,16)(22,24,28,36)(23,29,32,46)(25,34,27,43)(26,39,41,53)(30,45,42,47)(31,48,50,52)(33,49,51,38)(35,37,44,40);(7,13)(9,10)(12,20)(14,15)(16,21)(17,18)(22,25,28,27)(23,30,32,42)(24,34,36,43)(26,40,41,37)(29,45,46,47)(31,49,50,38)(33,48,51,52)(35,53,44,39)155 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 5389);