Finite Group DatabasebetaFinite Group Databasebeta| order | 648 |
| isoclinism | isoclinic class of D9 |
| automorphism | ? |
| homology | Abelianization (H1) = C8×C9 · Schur multiplier (H2) = C1 |
| direct product | C9×C9⋊C8 |
| derived | C9 ⋊ C8×C9 |
| Sylow | C92 ⋊ C8 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C4×C9 | D9 |
| commutator, hypocenter | C9 | C8×C9 |
| Frattini | C32×C4 | C3×D3 |
| Fitting | C4×C92 | C2 |
| socle, prime radical | C2×C32 | C3×Dic3 |
| cosocle | C3×C4×C9 | C2×C3 |
| LCS | G ▷ C9 | |
| UCS | C1 ◁ C4×C9 | |
57 conjugacy classes of subgroups.
| transitive degree | μt(G) = 72 |
216 conjugacy classes — view the full character table.
| maximal subgroup of | D9×C9⋊C8, #13046361, #13046362, … |
| maximal normal subgroup of | D9×C9⋊C8, #13046361, #13046362, … |
| maximal quotient of | C9×C9⋊C16, C2×C9×C9⋊C8, #14515618, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(648, 12);