Finite Group Databasebeta
Cayley diagram

C2×C7×Dic3 #4262

order168
isoclinismisoclinic class of D3
automorphismAut(G) = C2×C3×D3×D4 (order 288) · Inn(G) = D3 · Out(G) = C2×C3×D4
homologyAbelianization (H1) = C2×C4×C7 · Schur multiplier (H2) = C2

Aliases

direct productC2×C7×Dic3
unambiguous semidirect product(C2×C3)⋊(C4×C7)

Splittings

derived, SylowC3 ⋊ C2×C4×C7
HallC3×C7 ⋊ C2×C4

Subgroups

subgroupG/H
center, hypercenterC22×C7D3
commutator, hypocenterC3C2×C4×C7
FrattiniC2C2×D3×C7
Fitting, socle, prime radicalC22×C3×C7C2
cosocleC2×C3C22×C7
LCSG ▷ C3
UCSC1 ◁ C22×C7

32 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 16
transitive degreeμt(G) = 168

A minimal faithful permutation representation — 2 generators on 16 points:

(1,2)(4,5)(6,7,8,9)(10,11,12,13,14,15,16);(1,2)(3,4,5)

Conjugacy classes & character table

84 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofDic3×Dic7, (C2×D7)⋊Dic3, #66575, …
maximal normal subgroup ofDic3×Dic7, (C2×D7)⋊Dic3, #66575, …
maximal quotient ofC2×C7×C3⋊C8, C7×#208, C4×C7×Dic3, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(168, 32);