Finite Group DatabasebetaFinite Group Databasebeta| order | 18450 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C25 · Schur multiplier (H2) = C1 |
| direct product | D9×C41⋊C25 |
| unambiguous semidirect product | C9⋊(C2×C41⋊C25) |
| unambiguous semidirect product | (D9×C41)⋊C25 |
| derived, Hall | C9×C41 ⋊ C2×C25 |
| Hall | C9×C41⋊C25 ⋊ C2 |
| Hall | D9×C41 ⋊ C25 |
| Sylow | C41 ⋊ D9×C25 |
| Sylow | C9 ⋊ C2×C41⋊C25 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C5 | D9×C41⋊C5 |
| commutator, hypocenter | C9×C41 | C2×C25 |
| Frattini | C3×C5 | D3×C41⋊C5 |
| Fitting, cosocle | C5×C9×C41 | C2×C5 |
| socle | C3×C5×C41 | C5×D3 |
| prime radical | C5×D9×C41 | C5 |
| LCS | G ▷ C9×C41 | |
| UCS | C1 ◁ C5 | |
36 conjugacy classes of subgroups.
| transitive degree | μt(G) = 9225 |
390 conjugacy classes. The character table is too large to display.
| maximal subgroup of | D9×D41⋊C25, C2×D9×C41⋊C25 |
| maximal normal subgroup of | D9×D41⋊C25, C2×D9×C41⋊C25 |
| maximal quotient of | Dic9×C41⋊C25, C2×D9×C41⋊C25 |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(18450, 3);