| order | 1280 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #13661 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C5 · Schur multiplier (H2) = C22 |
| direct product | C5×#13689 |
| 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 | |
216 conjugacy classes of subgroups; only the 74 normal subgroups are shown.
This group has 216 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) = 41 |
| transitive degree | μt(G) = 640 |
A minimal faithful permutation representation — 3 generators on 41 points:
(1,2,3,4,5)(7,9)(10,11)(12,16)(13,17)(14,27)(15,28)(18,24)(19,25)(20,23)(21,29)(22,39)(26,35)(30,36)(31,37)(32,40)(33,38)(34,41);(6,7,8,9)(11,16)(17,29)(18,30)(19,31)(20,28)(27,39)(32,34)(33,35);(11,17)(13,24)(14,25)(15,23)(16,29)(18,19)(20,35)(21,36)(22,37)(26,41)(27,32)(28,33)(30,31)(34,39)(38,40)245 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 6677);