Finite Group Databasebeta
Cayley diagram

C7×C3⋊(C3⋊D3) #67405

order378
isoclinismisoclinic class of C3⋊(C3⋊D3)
automorphism?
homologyAbelianization (H1) = C2×C7 · Schur multiplier (H2) = C33

Aliases

direct productC7×C3⋊(C3⋊D3)
unambiguous semidirect productC3⋊(C7×C3⋊D3)

Splittings

Fitting, socle, HallC33×C7 ⋊ C2
derived, SylowC33 ⋊ C2×C7

Subgroups

subgroupG/H
center, hypercenterC7C3⋊(C3⋊D3)
commutator, cosocle, hypocenterC33C2×C7
FrattiniC1G
Fitting, socleC33×C7C2
LCSG ▷ C33
UCSC1 ◁ C7

112 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 16
transitive degreeμt(G) = 189

A minimal faithful permutation representation — 4 generators on 16 points:

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

Conjugacy classes & character table

105 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×C3⋊(C3⋊D3), D3×C7×C3⋊D3, D21⋊(C3⋊D3), …
maximal normal subgroup ofD7×C3⋊(C3⋊D3), D3×C7×C3⋊D3, D21⋊(C3⋊D3), …
maximal quotient ofC7×C3⋊(C3⋊Dic3), C2×C7×C3⋊(C3⋊D3), C7×C3⋊(C3⋊D9), …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(378, 58);