Finite Group Databasebeta
Cayley diagram

C7×Dic12 #66609

order336
isoclinismisoclinic class of #204
automorphismAut(G) = C2×C3×D3×AGL(1,ℤ/8) (order 1152) · Inn(G) = D12 · Out(G) = C24×C3
homologyAbelianization (H1) = C22×C7 · Schur multiplier (H2) = C1

Aliases

direct productC7×Dic12

Splittings

HallC3×C7 ⋊ Q16
SylowC3 ⋊ C7×Q16

Subgroups

subgroupG/H
centerC2×C7D12
commutator, cosocleC3×C4C22×C7
FrattiniC4C2×D3×C7
FittingC3×C7×C8C2
socle, prime radicalC2×C3×C7D4
hypercenterC7×C8D3
hypocenterC3C7×Q16
LCSG ▷ C3×C4 ▷ C2×C3 ▷ C3
UCSC1 ◁ C2×C7 ◁ C4×C7 ◁ C7×C8

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 336

A minimal faithful permutation representation — 2 generators on 26 points:

(1,2,3,4,5,6,7)(8,9,10,11,12,13,14,15)(16,23,22,21,20,19,18,17)(24,25,26);(8,16,12,20)(9,17,13,21)(10,18,14,22)(11,19,15,23)(25,26)

Conjugacy classes & character table

105 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10620475, #10620480, #10620481, …
maximal normal subgroup of#10620475, #10620480, #10620481, …
maximal quotient ofC7×#816, C7×#818, C2×C7×Dic12, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(336, 78);