Finite Group DatabasebetaFinite Group Databasebeta| order | 20970 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C9 · Schur multiplier (H2) = C1 |
| direct product | C9×D1165 |
| unambiguous semidirect product | C5⋊(C9×D233) |
| unambiguous semidirect product | C233⋊(C9×D5) |
| Fitting, Hall | C5×C9×C233 ⋊ C2 |
| derived, Hall | C5×C233 ⋊ C2×C9 |
| Hall | C9×C233 ⋊ D5 |
| Sylow | C233 ⋊ C9×D5 |
| Hall | C5×C9 ⋊ D233 |
| Sylow | C5 ⋊ C9×D233 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C9 | D1165 |
| commutator, hypocenter | C5×C233 | C2×C9 |
| Frattini | C3 | C3×D1165 |
| Fitting | C5×C9×C233 | C2 |
| socle, cosocle | C3×C5×C233 | C2×C3 |
| prime radical | C3×D1165 | C3 |
| LCS | G ▷ C5×C233 | |
| UCS | C1 ◁ C9 | |
24 conjugacy classes of subgroups.
| transitive degree | μt(G) = 10485 |
5256 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20970, 4);