Finite Group DatabasebetaFinite Group Databasebeta| order | 486 |
| nilpotency class | 3 |
| isoclinism | isoclinic class of AΣL(1,𝔽27) |
| automorphism | ? |
| homology | Abelianization (H1) = C2×C3×C9 · Schur multiplier (H2) = C32 |
| direct product | C2×H(3,𝔽3)⋊C9 |
| unambiguous semidirect product | (C2×H(3,𝔽3))⋊C9 |
| subgroup | G/H | |
|---|---|---|
| center, socle | C2×C32 | H(3,𝔽3) |
| commutator | C32 | C2×C3×C9 |
| Frattini, cosocle | C33 | C2×C32 |
| prime radical | C2×C3×H(3,𝔽3) | C3 |
| LCS | G ▷ C32 ▷ C3 ▷ C1 | |
| UCS | C1 ◁ C2×C32 ◁ C2×C33 ◁ G | |
94 conjugacy classes of subgroups.
| minimal degree | μ(G) = 20 |
| transitive degree | μt(G) = 162 |
A minimal faithful permutation representation — 2 generators on 20 points:
(1,2)(3,4,6,5,7,9,8,10,11)(12,13,17,15,18,20,16,14,19);(12,14,19)(13,17,15)(16,18,20)102 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(486, 77);