Finite Group DatabasebetaFinite Group Databasebeta| order | 20874 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C72 · Schur multiplier (H2) = C7 |
| direct product | D3×C7×C71⋊C7 |
| unambiguous semidirect product | C3⋊(C2×C7×C71⋊C7) |
| unambiguous semidirect product | (D3×C71)⋊C72 |
| unambiguous semidirect product | (D3×C7×C71)⋊C7 |
| Fitting, socle | C3×C7×C71 ⋊ C2×C7 |
| derived, Hall | C3×C71 ⋊ C2×C72 |
| Hall | C3×C7×C71⋊C7 ⋊ C2 |
| Hall | D3×C71 ⋊ C72 |
| Sylow | C71 ⋊ D3×C72 |
| Sylow | C3 ⋊ C2×C7×C71⋊C7 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C7 | D3×C71⋊C7 |
| commutator, cosocle, hypocenter | C3×C71 | C2×C72 |
| Frattini | C1 | G |
| Fitting, socle | C3×C7×C71 | C2×C7 |
| LCS | G ▷ C3×C71 | |
| UCS | C1 ◁ C7 | |
80 conjugacy classes of subgroups.
| transitive degree | μt(G) = 1491 |
357 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20874, 26);