Finite Group DatabasebetaFinite Group Databasebeta| order | 20988 |
| automorphism | ? |
| homology | Abelianization (H1) = C4×C53 · Schur multiplier (H2) = C3 |
| direct product | C53×C11⋊#157 |
| unambiguous semidirect product | C11⋊(#157×C53) |
| Fitting, socle, Hall | C32×C11×C53 ⋊ C4 |
| derived, Hall | C32×C11 ⋊ C4×C53 |
| Hall | C11×C53 ⋊ #157 |
| Hall | C32×C53 ⋊ Dic11 |
| Sylow | C11 ⋊ #157×C53 |
| Sylow | C32 ⋊ Dic11×C53 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C53 | C11⋊#157 |
| commutator, hypocenter | C32×C11 | C4×C53 |
| Frattini | C1 | G |
| Fitting, socle | C32×C11×C53 | C4 |
| prime radical | C11×C3⋊D3×C53 | C2 |
| cosocle | C11×C3⋊D3 | C2×C53 |
| LCS | G ▷ C32×C11 | |
| UCS | C1 ◁ C53 | |
40 conjugacy classes of subgroups.
| transitive degree | μt(G) = 3498 |
1908 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20988, 45);