Finite Group DatabasebetaFinite Group Databasebeta| order | 1280 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of #17392 |
| automorphism | ? |
| homology | Abelianization (H1) = C23×C4×C5 · Schur multiplier (H2) = C24×C4 |
| direct product | C5×#17403 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C22×C5 | C22×C22⋊C4 |
| commutator | C23 | C23×C4×C5 |
| Frattini, cosocle | C22×C4 | C24×C5 |
| prime radical | C2×C5×#532 | C2 |
| LCS | G ▷ C23 ▷ C2 ▷ C1 | |
| UCS | C1 ◁ C22×C5 ◁ C22×C42×C5 ◁ G | |
1240 conjugacy classes of subgroups.
| minimal degree | μ(G) = 29 |
| transitive degree | μt(G) = 320 |
A minimal faithful permutation representation — 4 generators on 29 points:
(1,2,3,4,5)(6,7,9,13,10,11,8,12)(14,15)(16,24,27,20)(17,21)(18,22)(19,23)(25,29,26,28);(7,11)(8,9)(14,16)(15,20)(17,25)(18,26)(19,27)(21,28)(22,29)(23,24);(6,8,10,9)(7,12,11,13)(14,17,19,18)(15,21,23,22)(16,25,27,26)(20,28,24,29);(7,11)(12,13)(14,18,19,17)(15,22,23,21)(16,26,27,25)(20,29,24,28)260 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1280, 10391);