Finite Group DatabasebetaFinite Group Databasebeta| order | 20900 |
| automorphism | ? |
| homology | Abelianization (H1) = C4×C25 · Schur multiplier (H2) = C1 |
| direct product | Dic19×C11⋊C25 |
| unambiguous semidirect product | C19⋊(C4×C11⋊C25) |
| unambiguous semidirect product | (C11×Dic19)⋊C25 |
| derived, Hall | C11×C19 ⋊ C4×C25 |
| Hall | C19×C11⋊C25 ⋊ C4 |
| Hall | C11×Dic19 ⋊ C25 |
| Sylow | C19 ⋊ C4×C11⋊C25 |
| Sylow | C11 ⋊ C25×Dic19 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, hypercenter | C2×C5 | D19×C11⋊C5 |
| commutator, hypocenter | C11×C19 | C4×C25 |
| Fitting, socle, prime radical, cosocle | C2×C5×C11×C19 | C2×C5 |
| LCS | G ▷ C11×C19 | |
| UCS | C1 ◁ C2×C5 | |
36 conjugacy classes of subgroups.
| transitive degree | μt(G) = 20900 |
770 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20900, 10);