| order | 1280 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #13661 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C5 · Schur multiplier (H2) = C23 |
| direct product | C5×#13666 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C5 | C2×D16 |
| commutator, Frattini, cosocle | C2×C16 | C23×C5 |
| prime radical | C2×C5×#508 | C2 |
| LCS | G ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C22×C4×C5 ◁ C22×C5×C8 ◁ C22×C5×C16 ◁ G | |
288 conjugacy classes of subgroups; only the 78 normal subgroups are shown.
This group has 288 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) = 73 |
| transitive degree | μt(G) = 640 |
A minimal faithful permutation representation — 3 generators on 73 points:
(1,2,3,4,5)(6,7)(8,9)(10,11,16,22)(12,23,28,54)(13,18,31,21)(14,32,35,66)(15,36,38,44)(17,39,42,25)(19,45,48,34)(20,49,51,30)(24,53,27,60)(26,58,59,72)(29,61,64,65)(33,50,68,73)(37,46,56,71)(40,57,52,55)(41,62,69,67)(43,70,47,63);(10,12)(11,17)(13,24)(14,33)(15,37)(16,28)(18,40)(19,46)(20,50)(21,52)(22,42)(23,32)(25,34)(26,30)(27,31)(29,62)(35,68)(36,41)(38,56)(39,45)(43,58)(44,69)(47,72)(48,71)(49,59)(51,73)(53,61)(54,66)(55,63)(57,70)(60,65)(64,67);(7,9)(10,13,16,31)(11,18,22,21)(12,24,28,27)(14,29,35,64)(15,30,38,49)(17,40,42,52)(19,43,48,47)(20,44,51,36)(23,53,54,60)(25,55,39,57)(26,56,59,37)(32,61,66,65)(33,62,68,67)(34,63,45,70)(41,50,69,73)(46,58,71,72)245 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 6654);