Finite Group DatabasebetaFinite Group Databasebeta| order | 18228 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C31 · Schur multiplier (H2) = C2 |
| direct product | D7×C31×D21 |
| unambiguous semidirect product | (C3×D7)⋊(D7×C31) |
| unambiguous semidirect product | (C7×D7)⋊(D3×C31) |
| Fitting, socle, Hall | C3×C72×C31 ⋊ C22 |
| derived, Hall | C3×C72 ⋊ C22×C31 |
| Hall | C72×C31 ⋊ C2×D3 |
| Hall | C3×C31 ⋊ D72 |
| Sylow | C72 ⋊ C2×D3×C31 |
| Sylow | C3 ⋊ D72×C31 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C31 | D7×D21 |
| commutator, cosocle, hypocenter | C3×C72 | C22×C31 |
| Frattini | C1 | G |
| Fitting, socle | C3×C72×C31 | C22 |
| LCS | G ▷ C3×C72 | |
| UCS | C1 ◁ C31 | |
104 conjugacy classes of subgroups.
| transitive degree | μt(G) = 1302 |
1860 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(18228, 282);