| order | 1280 |
| nilpotency class | 5 |
| isoclinism | isoclinic class of #13661 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C5 · Schur multiplier (H2) = C22 |
| direct product | C5×#13712 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C5 | C2×D16 |
| commutator, Frattini, cosocle | C2×C16 | C23×C5 |
| prime radical | C5×#2215 | C2 |
| LCS | G ▷ C2×C16 ▷ C8 ▷ C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C22×C4×C5 ◁ C22×C5×C8 ◁ C22×C5×C16 ◁ G | |
186 conjugacy classes of subgroups; only the 74 normal subgroups are shown.
This group has 186 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) = 45 |
| transitive degree | μt(G) = 640 |
A minimal faithful permutation representation — 3 generators on 45 points:
(1,2,3,4,5)(6,7)(8,11)(9,10)(12,13)(14,15)(16,20)(17,21)(18,31)(19,32)(22,28)(23,29)(24,27)(25,33)(26,43)(30,39)(34,40)(35,41)(36,44)(37,42)(38,45);(7,10)(11,13)(15,20)(21,33)(22,34)(23,35)(24,32)(31,43)(36,38)(37,39);(6,8,9,12)(7,11,10,13)(15,21)(17,28)(18,29)(19,27)(20,33)(22,23)(24,39)(25,40)(26,41)(30,45)(31,36)(32,37)(34,35)(38,43)(42,44)245 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 6700);