Finite Group DatabasebetaFinite Group Databasebeta| order | 1440 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C4×C5 · Schur multiplier (H2) = C2×C3 |
| direct product | C5×#63788 |
| Hall | C32×C5 ⋊ #100 |
| Sylow | C32 ⋊ C5×#100 |
200 conjugacy classes of subgroups; only the 32 normal subgroups are shown.
This group has 200 conjugacy classes of subgroups — too many to draw. Only its 32 normal subgroups are shown.
Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.
| minimal degree | μ(G) = 19 |
| transitive degree | μt(G) = 120 |
A minimal faithful permutation representation — 2 generators on 19 points:
(1,2,3,4,5)(6,8,11)(7,10,9)(13,16)(14,18);(6,7)(8,10,11,9)(12,13,14,17,15,16,18,19)135 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1440, 2657);