Finite Group Databasebeta
Cayley diagram

C3×D28 #4256

order168
isoclinismisoclinic class of Dic14
automorphismAut(G) = C2×D4×AGL(1,𝔽7) (order 672) · Inn(G) = C2×D7 · Out(G) = C23×C3
homologyAbelianization (H1) = C22×C3 · Schur multiplier (H2) = C2

Aliases

direct productC3×D28
unambiguous semidirect productC4⋊(C3×D7)

Splittings

FittingC3×C4×C7 ⋊ C2
HallC3×C7 ⋊ D4
SylowC7 ⋊ C3×D4

Subgroups

subgroupG/H
centerC2×C3C2×D7
commutator, cosocleC2×C7C22×C3
FrattiniC2C2×C3×D7
FittingC3×C4×C7C2
socleC2×C3×C7C22
hypercenterC3×C4D7
hypocenterC7C3×D4
LCSG ▷ C2×C7 ▷ C7
UCSC1 ◁ C2×C3 ◁ C3×C4

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

Conjugacy classes & character table

51 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#66560, #66561, #66563, …
maximal normal subgroup of#66560, #66561, #66563, …
maximal quotient ofC3×#1132, C3×D56, C3×Dic28, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(168, 26);