Finite Group Databasebeta
Cayley diagram

C7×#67 #4263

order168
isoclinismisoclinic class of Dic6
automorphismAut(G) = C23×C3×D3 (order 144) · Inn(G) = C2×D3 · Out(G) = C22×C3
homologyAbelianization (H1) = C22×C7 · Schur multiplier (H2) = C2

Aliases

direct productC7×#67

Splittings

FittingC22×C3×C7 ⋊ C2
HallC3×C7 ⋊ D4
SylowC3 ⋊ C7×D4

Subgroups

subgroupG/H
centerC2×C7C2×D3
commutator, cosocleC2×C3C22×C7
FrattiniC2C2×D3×C7
FittingC22×C3×C7C2
socleC2×C3×C7C22
hypercenterC22×C7D3
hypocenterC3C7×D4
LCSG ▷ C2×C3 ▷ C3
UCSC1 ◁ C2×C7 ◁ C22×C7

32 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 14
transitive degreeμt(G) = 84

A minimal faithful permutation representation — 2 generators on 14 points:

(1,2,3)(5,7)(8,9,10,11,12,13,14);(2,3)(4,5)(6,7)

Conjugacy classes & character table

63 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#66684, #66686, D7×#67, …
maximal normal subgroup of#66684, #66686, D7×#67, …
maximal quotient ofC7×Dic3⋊C4, C7×(C2×D3)⋊C4, C7×#213, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(168, 33);