Finite Group DatabasebetaFinite Group Databasebeta| order | 21228 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C61 · Schur multiplier (H2) = C2 |
| direct product | D3×D29×C61 |
| unambiguous semidirect product | (D3×C29)⋊(C2×C61) |
| unambiguous semidirect product | (C3×D29)⋊(C2×C61) |
| unambiguous semidirect product | D87⋊(C2×C61) |
| Fitting, socle, Hall | C3×C29×C61 ⋊ C22 |
| derived, Hall | C3×C29 ⋊ C22×C61 |
| Hall | C29×C61 ⋊ C2×D3 |
| Hall | C3×C61 ⋊ C2×D29 |
| Sylow | C29 ⋊ C2×D3×C61 |
| Sylow | C3 ⋊ C2×D29×C61 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C61 | D3×D29 |
| commutator, cosocle, hypocenter | C3×C29 | C22×C61 |
| Frattini | C1 | G |
| Fitting, socle | C3×C29×C61 | C22 |
| LCS | G ▷ C3×C29 | |
| UCS | C1 ◁ C61 | |
40 conjugacy classes of subgroups.
| transitive degree | μt(G) = 5307 |
2928 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21228, 39);