| order | 1280 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #12324 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C5 · Schur multiplier (H2) = C22 |
| direct product | C5×#12377 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C5 | #447 |
| commutator, Frattini, cosocle | C4×C8 | C23×C5 |
| prime radical | C5×#3277 | C2 |
| LCS | G ▷ C4×C8 ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C42×C5 ◁ C5×#436 ◁ G | |
344 conjugacy classes of subgroups; only the 82 normal subgroups are shown.
This group has 344 conjugacy classes of subgroups — too many to draw. Only its 82 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)(6,7,10,13)(8,11,9,12)(14,15,20,24)(16,25,28,43)(17,22,19,34)(18,30,33,41)(21,36,38,27)(23,29,42,32)(26,44,35,40)(31,37,45,39);(7,11)(8,9)(12,13)(14,16)(15,21)(17,26)(18,31)(19,35)(20,28)(22,37)(23,40)(24,38)(25,30)(27,32)(29,36)(33,45)(34,39)(41,43)(42,44);(7,12)(8,9)(11,13)(14,17,20,19)(15,22,24,34)(16,26,28,35)(18,32,33,29)(21,37,38,39)(23,41,42,30)(25,40,43,44)(27,45,36,31)155 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 5365);