Finite Group DatabasebetaFinite Group Databasebeta| order | 20900 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C19 · Schur multiplier (H2) = C2 |
| direct product | C19×D11×D25 |
| unambiguous semidirect product | (C11×D25)⋊(C2×C19) |
| unambiguous semidirect product | (D11×C25)⋊(C2×C19) |
| unambiguous semidirect product | D275⋊(C2×C19) |
| Fitting, Hall | C11×C19×C25 ⋊ C22 |
| derived, Hall | C11×C25 ⋊ C22×C19 |
| Hall | C19×C25 ⋊ C2×D11 |
| Hall | C11×C19 ⋊ C2×D25 |
| Sylow | C25 ⋊ C2×C19×D11 |
| Sylow | C11 ⋊ C2×C19×D25 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C19 | D11×D25 |
| commutator, cosocle, hypocenter | C11×C25 | C22×C19 |
| Frattini | C5 | D5×C19×D11 |
| Fitting | C11×C19×C25 | C22 |
| socle | C5×C11×C19 | C2×D5 |
| LCS | G ▷ C11×C25 | |
| UCS | C1 ◁ C19 | |
60 conjugacy classes of subgroups.
| transitive degree | μt(G) = 5225 |
1862 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20900, 26);