Finite Group DatabasebetaFinite Group Databasebeta| order | 168 |
| isoclinism | isoclinic class of #4245 |
| automorphism | Aut(G) = C22×D3×AGL(1,𝔽7) (order 1008) · Inn(G) = D3×D7 · Out(G) = C22×C3 |
| homology | Abelianization (H1) = C22 · Schur multiplier (H2) = C1 |
No aliases for this group.
| Hall | C3×C7 ⋊ Q8 |
| Sylow | C7 ⋊ Dic6 |
| Sylow | C3 ⋊ Dic14 |
| subgroup | G/H | |
|---|---|---|
| center, Frattini, hypercenter | C2 | D3×D7 |
| commutator, Fitting, socle, prime radical, cosocle | C2×C3×C7 | C22 |
| hypocenter | C3×C7 | Q8 |
| LCS | G ▷ C2×C3×C7 ▷ C3×C7 | |
| UCS | C1 ◁ C2 | |
24 conjugacy classes of subgroups.
| minimal degree | μ(G) = 18 |
| transitive degree | μt(G) = 168 |
A minimal faithful permutation representation — 2 generators on 18 points:
(1,2,4,6,7,5,3)(9,10)(11,13,14,18)(12,15,16,17);(2,3)(4,5)(6,7)(8,9,10)(11,12,14,16)(13,17,18,15)Polycyclic presentation:
2^3,3,7|a^2=c,b^2=c,b^a=bc,e^a=e^6,d^b=d^227 conjugacy classes — view the full character table.
| maximal subgroup of | D7×Dic6, D3×Dic14, D21⋊Q8, … |
| maximal normal subgroup of | D7×Dic6, D3×Dic14, D21⋊Q8, … |
| maximal quotient of | Dic7⋊Dic3, #66577, Dic3⋊Dic7, … |
Construct this group in GAP via the SmallGroups library:
gap> SmallGroup(168, 18);