Finite Group DatabasebetaFinite Group Databasebeta| order | 126 |
| nilpotency class | 1 |
| isoclinism | isoclinic class of C1 |
| automorphism | Aut(G) = C22×C32 (order 36) · Inn(G) = C1 · Out(G) = C22×C32 |
| holomorph | G ⋊ Aut(G) = C2×AGL(1,𝔽7)×AGL(1,ℤ/9) |
| homology | Abelianization (H1) = G · Schur multiplier (H2) = C1 |
| cyclic | C126 |
| abelian | C2×C7×C9 |
| multiplicative | (ℤ/127)ˣ, (ℤ/254)ˣ |
| subgroup | G/H | |
|---|---|---|
| center | G | C1 |
| commutator | C1 | G |
| Frattini, cosocle | C3 | C2×C3×C7 |
| socle, prime radical | C2×C3×C7 | C3 |
| LCS | G ▷ C1 | |
| UCS | C1 ◁ G | |
12 conjugacy classes of subgroups.
| minimal degree | μ(G) = 18 |
| transitive degree | μt(G) = 126 |
A minimal faithful permutation representation — 1 generator on 18 points:
(1,2)(3,4,5,6,7,8,9,10,11)(12,13,14,15,16,17,18)126 conjugacy classes — view the full character table.
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(126, 6);