Finite Group DatabasebetaFinite Group Databasebeta| order | 189 |
| nilpotency class | 2 |
| isoclinism | isoclinic class of H(3,𝔽3) |
| automorphism | Aut(G) = C2×C3×AGL(2,𝔽3) (order 2592) · Inn(G) = C32 · Out(G) = C2×C3×GL(2,𝔽3) |
| homology | Abelianization (H1) = C32×C7 · Schur multiplier (H2) = C32 |
| direct product | C7×H(3,𝔽3) |
| unambiguous semidirect product | C32⋊(C3×C7) |
| subgroup | G/H | |
|---|---|---|
| center, socle | C3×C7 | C32 |
| commutator, Frattini, cosocle | C3 | C32×C7 |
| LCS | G ▷ C3 ▷ C1 | |
| UCS | C1 ◁ C3×C7 ◁ G | |
22 conjugacy classes of subgroups.
| minimal degree | μ(G) = 16 |
| transitive degree | μt(G) = 63 |
A minimal faithful permutation representation — 2 generators on 16 points:
(1,2,4)(3,6,8)(5,9,7)(10,11,12,13,14,15,16);(2,5,6)(4,8,9)77 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(189, 10);