Finite Group Databasebeta
Cayley diagram

C3×C22⋊D7 #4258

order168
isoclinismisoclinic class of Dic14
automorphismAut(G) = C23×AGL(1,𝔽7) (order 336) · Inn(G) = C2×D7 · Out(G) = C22×C3
homologyAbelianization (H1) = C22×C3 · Schur multiplier (H2) = C2

Aliases

direct productC3×C22⋊D7

Splittings

FittingC22×C3×C7 ⋊ C2
HallC3×C7 ⋊ D4
SylowC7 ⋊ C3×D4

Subgroups

subgroupG/H
centerC2×C3C2×D7
commutator, cosocleC2×C7C22×C3
FrattiniC2C2×C3×D7
FittingC22×C3×C7C2
socleC2×C3×C7C22
hypercenterC22×C3D7
hypocenterC7C3×D4
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C2×C3 ◁ C22×C3

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:

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

Conjugacy classes & character table

51 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#66683, #66684, D3×C22⋊D7, …
maximal normal subgroup of#66683, #66684, D3×C22⋊D7, …
maximal quotient ofC3×Dic7⋊C4, C3×(C2×D7)⋊C4, C3×#1141, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(168, 28);