Finite Group DatabasebetaFinite Group Databasebeta| order | 20988 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C53 · Schur multiplier (H2) = C2×C3 |
| direct product | C2×C53×C3⋊D33 |
| unambiguous semidirect product | (C2×C3)⋊(C53×D33) |
| unambiguous semidirect product | (C2×C11)⋊(C3⋊D3×C53) |
| Fitting, socle | C2×C32×C11×C53 ⋊ C2 |
| derived, Hall | C32×C11 ⋊ C22×C53 |
| Hall | C32×C11×C53 ⋊ C22 |
| Hall | C11×C53 ⋊ C2×C3⋊D3 |
| Hall | C32×C53 ⋊ C2×D11 |
| Sylow | C11 ⋊ C2×C3⋊D3×C53 |
| Sylow | C32 ⋊ C2×D11×C53 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C53 | C3⋊D33 |
| commutator, cosocle, hypocenter | C32×C11 | C22×C53 |
| Frattini | C1 | G |
| Fitting, socle | C2×C32×C11×C53 | C2 |
| LCS | G ▷ C32×C11 | |
| UCS | C1 ◁ C2×C53 | |
120 conjugacy classes of subgroups.
| transitive degree | μt(G) = 10494 |
5406 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20988, 87);