Finite Group DatabasebetaFinite Group Databasebeta| order | 648 |
| isoclinism | isoclinic class of C9⋊D9 |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C4 · Schur multiplier (H2) = C2×C9 |
| direct product | C4×C9⋊D9 |
| Fitting | C4×C92 ⋊ C2 |
| derived, Sylow | C92 ⋊ C2×C4 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C4 | C9⋊D9 |
| commutator, hypocenter | C92 | C2×C4 |
| Frattini, socle | C2×C32 | C2×C3⋊D3 |
| Fitting | C4×C92 | C2 |
| prime radical | C2×C9⋊D9 | C2 |
| cosocle | C2×C92 | C22 |
| LCS | G ▷ C92 | |
| UCS | C1 ◁ C4 | |
184 conjugacy classes of subgroups.
| transitive degree | μt(G) = 324 |
168 conjugacy classes — view the full character table.
| maximal subgroup of | #13046361, #13046363, C8×C9⋊D9, … |
| maximal normal subgroup of | #13046361, #13046363, C8×C9⋊D9, … |
| maximal quotient of | C8×C9⋊D9, #13046730, C4×C9⋊Dic9, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(648, 171);