Finite Group DatabasebetaFinite Group Databasebeta| order | 21798 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C7 · Schur multiplier (H2) = C1 |
| direct product | C7×D1557 |
| unambiguous semidirect product | C9⋊(C7×D173) |
| unambiguous semidirect product | C173⋊(C7×D9) |
| Fitting, Hall | C7×C9×C173 ⋊ C2 |
| derived, Hall | C9×C173 ⋊ C2×C7 |
| Hall | C7×C173 ⋊ D9 |
| Sylow | C173 ⋊ C7×D9 |
| Hall | C7×C9 ⋊ D173 |
| Sylow | C9 ⋊ C7×D173 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C7 | D1557 |
| commutator, cosocle, hypocenter | C9×C173 | C2×C7 |
| Frattini | C3 | C7×D519 |
| Fitting | C7×C9×C173 | C2 |
| socle | C3×C7×C173 | D3 |
| LCS | G ▷ C9×C173 | |
| UCS | C1 ◁ C7 | |
24 conjugacy classes of subgroups.
| transitive degree | μt(G) = 10899 |
5460 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21798, 7);