Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #7035 |
| automorphism | ? |
| homology | Abelianization (H1) = C42×C5 · Schur multiplier (H2) = C22 |
| direct product | C5×#7043 |
| subgroup | G/H | |
|---|---|---|
| center, socle, prime radical | C23×C5 | #95 |
| commutator | C22×C4 | C42×C5 |
| Frattini, cosocle | C43 | C22×C5 |
| LCS | G ▷ C22×C4 ▷ C22 ▷ C1 | |
| UCS | C1 ◁ C23×C5 ◁ C43×C5 ◁ G | |
284 conjugacy classes of subgroups; only the 98 normal subgroups are shown.
This group has 284 conjugacy classes of subgroups — too many to draw. Only its 98 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 29 |
| transitive degree | μt(G) = 1280 |
A minimal faithful permutation representation — 2 generators on 29 points:
(1,2,3,4,5)(6,7,10,12,11,8,9,13)(15,18)(16,20)(23,27,28,29);(6,8,11,7)(9,12,10,13)(14,15,16,19,17,18,20,21)(22,23,25,27,26,28,24,29)260 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 31);