Finite Group Databasebeta
Cayley diagram

C3×C9×D7 #67376

order378
isoclinismisoclinic class of D7
automorphism?
homologyAbelianization (H1) = C2×C3×C9 · Schur multiplier (H2) = C3

Aliases

direct productC3×C9×D7

Splittings

Fitting, HallC3×C7×C9 ⋊ C2
derived, SylowC7 ⋊ C2×C3×C9

Subgroups

subgroupG/H
center, hypercenterC3×C9D7
commutator, hypocenterC7C2×C3×C9
FrattiniC3C32×D7
FittingC3×C7×C9C2
socleC32×C7C2×C3
prime radicalC32×D7C3
cosocleC3×C7C2×C32
LCSG ▷ C7
UCSC1 ◁ C3×C9

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 19
transitive degreeμt(G) = 189

A minimal faithful permutation representation — 2 generators on 19 points:

(5,6)(7,8)(9,10)(11,12,14,13,15,17,16,18,19);(1,2,3)(4,5,7,9,10,8,6)

Conjugacy classes & character table

135 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC3×D7×D9, D3×C9×D7, D7×C3⋊D9, …
maximal normal subgroup ofC3×D7×D9, D3×C9×D7, D7×C3⋊D9, …
maximal quotient ofC3×C9×Dic7, C2×C3×C9×D7, C92×D7, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(378, 29);