Finite Group DatabasebetaFinite Group Databasebeta| order | 20955 |
| automorphism | ? |
| homology | Abelianization (H1) = C3×C5×C127 · Schur multiplier (H2) = C1 |
| direct product | C3×C11⋊C5×C127 |
| unambiguous semidirect product | C11⋊(C3×C5×C127) |
| unambiguous semidirect product | (C3×C11)⋊(C5×C127) |
| unambiguous semidirect product | (C3×C11×C127)⋊C5 |
| Fitting, socle, Hall | C3×C11×C127 ⋊ C5 |
| derived, Sylow | C11 ⋊ C3×C5×C127 |
| Hall | C11×C127 ⋊ C3×C5 |
| Hall | C3×C11 ⋊ C5×C127 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C3×C127 | C11⋊C5 |
| commutator, cosocle, hypocenter | C11 | C3×C5×C127 |
| Frattini | C1 | G |
| Fitting, socle | C3×C11×C127 | C5 |
| LCS | G ▷ C11 | |
| UCS | C1 ◁ C3×C127 | |
16 conjugacy classes of subgroups.
| transitive degree | μt(G) = 4191 |
2667 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20955, 2);