Finite Group DatabasebetaFinite Group Databasebeta| order | 1440 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C4×C5 · Schur multiplier (H2) = C23 |
| direct product | C5×#67⋊Dic3 |
| unambiguous semidirect product | #67⋊(C5×Dic3) |
| Hall | C32×C5 ⋊ C4×D4 |
| Sylow | C32 ⋊ C4×C5×D4 |
430 conjugacy classes of subgroups.
| minimal degree | μ(G) = 19 |
| transitive degree | μt(G) = 240 |
A minimal faithful permutation representation — 3 generators on 19 points:
(1,2,3,4,5)(10,11)(12,13)(14,15,16)(17,18,19);(6,7,8,9)(11,13)(15,16);(11,13)(18,19)240 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1440, 3557);