Finite Group DatabasebetaFinite Group Databasebeta| order | 21204 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C19 · Schur multiplier (H2) = C2 |
| direct product | D9×C19×D31 |
| unambiguous semidirect product | (D9×C31)⋊(C2×C19) |
| unambiguous semidirect product | (C9×D31)⋊(C2×C19) |
| unambiguous semidirect product | D279⋊(C2×C19) |
| Fitting, Hall | C9×C19×C31 ⋊ C22 |
| derived, Hall | C9×C31 ⋊ C22×C19 |
| Hall | C19×C31 ⋊ C2×D9 |
| Hall | C9×C19 ⋊ C2×D31 |
| Sylow | C31 ⋊ C2×D9×C19 |
| Sylow | C9 ⋊ C2×C19×D31 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C19 | D9×D31 |
| commutator, cosocle, hypocenter | C9×C31 | C22×C19 |
| Frattini | C3 | D3×C19×D31 |
| Fitting | C9×C19×C31 | C22 |
| socle | C3×C19×C31 | C2×D3 |
| LCS | G ▷ C9×C31 | |
| UCS | C1 ◁ C19 | |
60 conjugacy classes of subgroups.
| transitive degree | μt(G) = 5301 |
1938 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21204, 43);