Finite Group DatabasebetaFinite Group Databasebeta| order | 21428 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C11 · Schur multiplier (H2) = C2 |
| direct product | C2×C11×D487 |
| unambiguous semidirect product | C487⋊(C22×C11) |
| unambiguous semidirect product | (C2×C487)⋊(C2×C11) |
| Fitting, socle | C2×C11×C487 ⋊ C2 |
| derived, Sylow | C487 ⋊ C22×C11 |
| Hall | C11×C487 ⋊ C22 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C11 | D487 |
| commutator, cosocle, hypocenter | C487 | C22×C11 |
| Frattini | C1 | G |
| Fitting, socle | C2×C11×C487 | C2 |
| LCS | G ▷ C487 | |
| UCS | C1 ◁ C2×C11 | |
20 conjugacy classes of subgroups.
| transitive degree | μt(G) = 10714 |
5390 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21428, 7);