Finite Group DatabasebetaFinite Group Databasebeta| order | 1440 |
| isoclinism | isoclinic class of D9 |
| automorphism | ? |
| homology | Abelianization (H1) = C4×C5×C8 · Schur multiplier (H2) = C4 |
| direct product | C4×C5×C9⋊C8 |
| derived, Sylow | C9 ⋊ C4×C5×C8 |
| Hall | C5×C9 ⋊ C4×C8 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C42×C5 | D9 |
| commutator, hypocenter | C9 | C4×C5×C8 |
| Frattini | C2×C3×C4 | C2×C5×D3 |
| Fitting | C42×C5×C9 | C2 |
| socle, prime radical | C22×C3×C5 | C2×Dic3 |
| cosocle | C2×C4×C9 | C22×C5 |
| LCS | G ▷ C9 | |
| UCS | C1 ◁ C42×C5 | |
132 conjugacy classes of subgroups.
| transitive degree | μt(G) = 1440 |
480 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(1440, 121);