| order | 1280 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #13694 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C5 · Schur multiplier (H2) = C2×C4 |
| direct product | C5×#13728 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C5 | C2×D16 |
| commutator, Frattini, cosocle | C2×C16 | C23×C5 |
| prime radical | C2×C5×D32 | C2 |
| LCS | G ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C42×C5 ◁ C4×C5×C8 ◁ C4×C5×C16 ◁ G | |
238 conjugacy classes of subgroups; only the 86 normal subgroups are shown.
This group has 238 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) = 73 |
| transitive degree | μt(G) = 640 |
A minimal faithful permutation representation — 3 generators on 73 points:
(1,2,3,4,5)(7,9)(10,11)(12,22)(13,28)(14,18)(15,34)(16,35)(17,24)(19,23)(20,29)(21,33)(25,42)(26,55)(27,56)(30,57)(31,61)(32,62)(36,51)(37,65)(38,66)(39,47)(40,60)(41,67)(43,46)(44,50)(45,54)(48,59)(49,58)(52,63)(53,72)(64,73)(68,70)(69,71);(10,12,23,46,15,26,48,66,33,54,67,73,60,71,30,51,14,25,47,70,32,53,31,52,16,27,49,65,29,50,13,24)(11,17,28,44,20,37,58,56,35,63,61,72,62,68,39,42,18,36,57,69,40,64,41,45,21,38,59,55,34,43,19,22);(6,7,8,9)(11,18)(17,36)(19,39)(20,40)(21,35)(22,42)(28,57)(34,62)(37,64)(38,63)(41,58)(43,68)(44,69)(45,56)(55,72)(59,61)350 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 6716);