Finite Group Databasebeta
Cayley diagram

D3×Dic7 #4243

order168
isoclinismisoclinic class of D3×D7
automorphismAut(G) = C22×D3×AGL(1,𝔽7) (order 1008) · Inn(G) = D3×D7 · Out(G) = C22×C3
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

direct productD3×Dic7
unambiguous semidirect product(D3×C7)⋊C4

Splittings

derived, HallC3×C7 ⋊ C2×C4
SylowC7 ⋊ C4×D3
SylowC3 ⋊ C2×Dic7

Subgroups

subgroupG/H
center, Frattini, hypercenterC2D3×D7
commutator, hypocenterC3×C7C2×C4
Fitting, socle, cosocleC2×C3×C7C22
prime radicalC2×D3×C7C2
LCSG ▷ C3×C7
UCSC1 ◁ C2

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

Conjugacy classes & character table

30 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD3×Dic14, #66672, #66676, …
maximal normal subgroup ofD3×Dic14, #66672, #66676, …
maximal quotient ofD3×C7⋊C8, #66558, Dic3×Dic7, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(168, 13);