| order | 1280 |
| nilpotency class | 4 |
| isoclinism | isoclinic class of #13357 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C5 · Schur multiplier (H2) = C23 |
| direct product | C5×#13427 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C5 | B(4,𝔽2) |
| commutator, Frattini, cosocle | C22×Q8 | C23×C5 |
| prime radical | C22×C5×D4 | D4 |
| LCS | G ▷ C22×Q8 ▷ C22 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C23×C5 ◁ C22×C5×Q8 ◁ G | |
462 conjugacy classes of subgroups; only the 90 normal subgroups are shown.
This group has 462 conjugacy classes of subgroups — too many to draw. Only its 90 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 25 |
| transitive degree | μt(G) = 320 |
A minimal faithful permutation representation — 3 generators on 25 points:
(1,2,3,4,5)(7,8)(10,11,13,15)(12,18,19,25)(14,22,21,17)(16,23,24,20);(6,7)(8,9)(11,15)(12,16)(14,21)(18,20)(19,24)(23,25);(6,8,9,7)(10,12,13,19)(11,16,15,24)(14,23,21,20)(17,25,22,18)155 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 6415);