Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #453 |
| automorphism | ? |
| homology | Abelianization (H1) = C25×C5 · Schur multiplier (H2) = C210 |
| direct product | C22×C5×#453 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C23×C5 | #120 |
| commutator, Frattini, cosocle | C2×C4 | C25×C5 |
| LCS | G ▷ C2×C4 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C23×C5 ◁ C23×C4×C5 ◁ G | |
5670 conjugacy classes of subgroups.
| minimal degree | μ(G) = 17 |
| transitive degree | μt(G) = 160 |
A minimal faithful permutation representation — 5 generators on 17 points:
(1,2)(13,14,15,16,17);(3,4);(6,9)(7,11)(10,12);(5,6)(7,12)(8,10)(9,11);(7,11)(9,12)320 conjugacy classes — view the full character table.
| maximal subgroup of | C2×#453×AGL(1,𝔽11), C2×C5×#61110 |
| maximal normal subgroup of | C2×C5×#61110 |
| maximal quotient of | C2×#453×AGL(1,𝔽11) |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 53366);