Finite Group DatabasebetaFinite Group Databasebeta| order | 20439 |
| automorphism | ? |
| homology | Abelianization (H1) = C3×C9 · Schur multiplier (H2) = C3 |
| direct product | C3×#20291842 |
| unambiguous semidirect product | (C757⋊C3)⋊C9 |
| Fitting, socle | C3×C757 ⋊ C9 |
| derived, Sylow | C757 ⋊ C3×C9 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C3 | #20291842 |
| commutator, hypocenter | C757 | C3×C9 |
| Frattini | C1 | G |
| Fitting, socle | C3×C757 | C9 |
| prime radical | C3×C757⋊C3 | C3 |
| cosocle | C757⋊C3 | C32 |
| LCS | G ▷ C757 | |
| UCS | C1 ◁ C3 | |
20 conjugacy classes of subgroups.
| transitive degree | μt(G) = 2271 |
279 conjugacy classes. The character table is too large to display.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(20439, 15);