Finite Group DatabasebetaFinite Group Databasebeta| order | 21462 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C73 · Schur multiplier (H2) = C7 |
| direct product | C73×C3⋊(C7⋊D7) |
| unambiguous semidirect product | C3⋊(C73×C7⋊D7) |
| unambiguous semidirect product | C7⋊(D21×C73) |
| Fitting, socle, Hall | C3×C72×C73 ⋊ C2 |
| derived, Hall | C3×C72 ⋊ C2×C73 |
| Hall | C72×C73 ⋊ D3 |
| Hall | C3×C73 ⋊ C7⋊D7 |
| Sylow | C72 ⋊ D3×C73 |
| Sylow | C3 ⋊ C73×C7⋊D7 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C73 | C3⋊(C7⋊D7) |
| commutator, cosocle, hypocenter | C3×C72 | C2×C73 |
| Frattini | C1 | G |
| Fitting, socle | C3×C72×C73 | C2 |
| LCS | G ▷ C3×C72 | |
| UCS | C1 ◁ C73 | |
80 conjugacy classes of subgroups.
| transitive degree | μt(G) = 10731 |
5475 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21462, 99);