Finite Group Databasebeta
Cayley diagram

C3×C4×D7 #4255

order168
isoclinismisoclinic class of D7
automorphismAut(G) = C23×AGL(1,𝔽7) (order 336) · Inn(G) = D7 · Out(G) = C23×C3
homologyAbelianization (H1) = C2×C3×C4 · Schur multiplier (H2) = C2

Aliases

direct productC3×C4×D7

Splittings

FittingC3×C4×C7 ⋊ C2
derived, SylowC7 ⋊ C2×C3×C4
HallC3×C7 ⋊ C2×C4

Subgroups

subgroupG/H
center, hypercenterC3×C4D7
commutator, hypocenterC7C2×C3×C4
FrattiniC2C2×C3×D7
FittingC3×C4×C7C2
socleC2×C3×C7C22
prime radicalC2×C3×D7C2
cosocleC2×C7C22×C3
LCSG ▷ C7
UCSC1 ◁ 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:

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

Conjugacy classes & character table

60 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×C3⋊C8, #66557, C3×C8×D7, …
maximal normal subgroup ofD7×C3⋊C8, #66557, C3×C8×D7, …
maximal quotient ofC3×C8×D7, C3×#1131, C3×C4×Dic7, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(168, 25);