Finite Group Databasebeta
Cayley diagram

Dic3×D7 #4242

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 productDic3×D7
unambiguous semidirect product(C3×D7)⋊C4

Splittings

derived, HallC3×C7 ⋊ C2×C4
SylowC7 ⋊ C2×Dic3
SylowC3 ⋊ C4×D7

Subgroups

subgroupG/H
center, Frattini, hypercenterC2D3×D7
commutator, hypocenterC3×C7C2×C4
Fitting, socle, cosocleC2×C3×C7C22
prime radicalC2×C3×D7C2
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);(1,2,4,6,7,5,3)(9,10)(11,12,13,14)

Conjugacy classes & character table

30 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×Dic6, #66669, #66670, …
maximal normal subgroup ofD7×Dic6, #66669, #66670, …
maximal quotient ofD7×C3⋊C8, #66557, Dic3×Dic7, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(168, 12);