Finite Group DatabasebetaFinite Group Databasebeta| order | 18438 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C7×C439 · Schur multiplier (H2) = C1 |
| direct product | D3×C7×C439 |
| unambiguous semidirect product | C3⋊(C2×C7×C439) |
| Fitting, socle, Hall | C3×C7×C439 ⋊ C2 |
| derived, Sylow | C3 ⋊ C2×C7×C439 |
| Hall | C3×C439 ⋊ C2×C7 |
| Hall | C3×C7 ⋊ C2×C439 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C7×C439 | D3 |
| commutator, cosocle, hypocenter | C3 | C2×C7×C439 |
| Frattini | C1 | G |
| Fitting, socle | C3×C7×C439 | C2 |
| LCS | G ▷ C3 | |
| UCS | C1 ◁ C7×C439 | |
16 conjugacy classes of subgroups.
| transitive degree | μt(G) = 9219 |
9219 conjugacy classes. The character table is too large to display.
| maximal subgroup of | D3×C7×D439, D3×D7×C439, D3×D3073, … |
| maximal normal subgroup of | D3×C7×D439, D3×D7×C439, D3×D3073, … |
| maximal quotient of | C7×Dic3×C439, C2×D3×C7×C439 |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(18438, 9);