Finite Group DatabasebetaFinite Group Databasebeta| order | 21660 |
| automorphism | ? |
| homology | Abelianization (H1) = C22×C361 · Schur multiplier (H2) = C2 |
| direct product | D3×D5×C361 |
| unambiguous semidirect product | (C5×D3)⋊(C2×C361) |
| unambiguous semidirect product | (C3×D5)⋊(C2×C361) |
| unambiguous semidirect product | D15⋊(C2×C361) |
| Fitting, Hall | C3×C5×C361 ⋊ C22 |
| derived, Hall | C3×C5 ⋊ C22×C361 |
| Hall | C5×C361 ⋊ C2×D3 |
| Hall | C3×C361 ⋊ C2×D5 |
| Sylow | C5 ⋊ C2×D3×C361 |
| Sylow | C3 ⋊ C2×D5×C361 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C361 | D3×D5 |
| commutator, hypocenter | C3×C5 | C22×C361 |
| Frattini | C19 | D3×D5×C19 |
| Fitting | C3×C5×C361 | C22 |
| socle, cosocle | C3×C5×C19 | C22×C19 |
| prime radical | D3×D5×C19 | C19 |
| LCS | G ▷ C3×C5 | |
| UCS | C1 ◁ C361 | |
60 conjugacy classes of subgroups.
| transitive degree | μt(G) = 5415 |
4332 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(21660, 27);