Finite Group DatabasebetaFinite Group Databasebeta| order | 19908 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C3 · Schur multiplier (H2) = C2 |
| direct product | D21×D79⋊C3 |
| unambiguous semidirect product | D79⋊(C3×D21) |
| unambiguous semidirect product | (C3×D79⋊C3)⋊D7 |
| unambiguous semidirect product | (C7×D79⋊C3)⋊D3 |
| Fitting, socle, derived | C3×C7×C79 ⋊ C22×C3 |
| Hall | C3×C7×C79⋊C3 ⋊ C22 |
| Hall | C3×C79⋊C3 ⋊ C2×D7 |
| Hall | C7×C79 ⋊ C2×C3×D3 |
| Sylow | C79 ⋊ C2×C3×D21 |
| Sylow | C7 ⋊ D3×D79⋊C3 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, hypercenter | C1 | G |
| commutator, Fitting, socle, cosocle, hypocenter | C3×C7×C79 | C22×C3 |
| LCS | G ▷ C3×C7×C79 | |
| UCS | C1 | |
88 conjugacy classes of subgroups.
| transitive degree | μt(G) = 1659 |
228 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(19908, 141);