Finite Group DatabasebetaFinite Group Databasebeta| order | 21428 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C487 · Schur multiplier (H2) = C2 |
| direct product | C2×D11×C487 |
| unambiguous semidirect product | C11⋊(C22×C487) |
| unambiguous semidirect product | (C2×C11)⋊(C2×C487) |
| Fitting, socle | C2×C11×C487 ⋊ C2 |
| derived, Sylow | C11 ⋊ C22×C487 |
| Hall | C11×C487 ⋊ C22 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C487 | D11 |
| commutator, cosocle, hypocenter | C11 | C22×C487 |
| Frattini | C1 | G |
| Fitting, socle | C2×C11×C487 | C2 |
| LCS | G ▷ C11 | |
| UCS | C1 ◁ C2×C487 | |
20 conjugacy classes of subgroups.
| transitive degree | μt(G) = 10714 |
6818 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21428, 8);