Finite Group DatabasebetaFinite Group Databasebeta| order | 648 |
| isoclinism | isoclinic class of SL(2,𝔽3) |
| automorphism | ? |
| homology | Abelianization (H1) = C92 · Schur multiplier (H2) = C9 |
| direct product | C9×Q8⋊C9 |
| unambiguous semidirect product | Q8⋊C92 |
| derived, Sylow | Q8 ⋊ C92 |
| subgroup | G/H | |
|---|---|---|
| center, hypercenter | C2×C3×C9 | A4 |
| commutator, hypocenter | Q8 | C92 |
| Frattini, socle, prime radical | C2×C32 | C3×A4 |
| Fitting | C3×Q8×C9 | C3 |
| cosocle | C32×Q8 | C32 |
| LCS | G ▷ Q8 | |
| UCS | C1 ◁ C2×C3×C9 | |
79 conjugacy classes of subgroups.
| transitive degree | μt(G) = 648 |
189 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(648, 90);