Finite Group Databasebeta
Cayley diagram

C7×#235 #66718

order336
isoclinismisoclinic class of Dic6
automorphismAut(G) = C22×C3×D3×D4 (order 576) · Inn(G) = C2×D3 · Out(G) = C24×C3
homologyAbelianization (H1) = C23×C7 · Schur multiplier (H2) = C22

Aliases

direct productC7×#235

Splittings

FittingC2×C3×C4×C7 ⋊ C2
HallC3×C7 ⋊ #41
SylowC3 ⋊ C7×#41

Subgroups

subgroupG/H
centerC4×C7C2×D3
commutator, cosocleC2×C3C23×C7
FrattiniC2C22×D3×C7
FittingC2×C3×C4×C7C2
socleC2×C3×C7C23
hypercenterC2×C4×C7D3
hypocenterC3C7×#41
LCSG ▷ C2×C3 ▷ C3
UCSC1 ◁ C4×C7 ◁ C2×C4×C7

80 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 168

A minimal faithful permutation representation — 3 generators on 18 points:

(1,2,3)(5,9)(8,11)(12,13,14,15,16,17,18);(4,10,7,6)(5,11,9,8);(2,3)(4,5)(6,8)(7,9)(10,11)

Conjugacy classes & character table

126 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10620513, #10620514, C7×#805, …
maximal normal subgroup of#10620513, #10620514, C7×#805, …
maximal quotient ofC4×C7×Dic6, C7×#870, C7×#872, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(336, 187);