Finite Group Databasebeta

C2×D3×C7×C9 #10625491

order756
isoclinismisoclinic class of D3
automorphism?
homologyAbelianization (H1) = C22×C7×C9 · Schur multiplier (H2) = C2

Aliases

direct productC2×D3×C7×C9
unambiguous semidirect productC3⋊(C22×C7×C9)
unambiguous semidirect product(C2×C3)⋊(C2×C7×C9)

Splittings

FittingC2×C3×C7×C9 ⋊ C2
derivedC3 ⋊ C22×C7×C9
HallC3×C7×C9 ⋊ C22
SylowC3×C9 ⋊ C22×C7

Subgroups

subgroupG/H
center, hypercenterC2×C7×C9D3
commutator, hypocenterC3C22×C7×C9
FrattiniC3C2×C3×D3×C7
FittingC2×C3×C7×C9C2
socleC2×C32×C7C2×C3
prime radicalC2×C3×D3×C7C3
cosocleC32C22×C3×C7
LCSG ▷ C3
UCSC1 ◁ C2×C7×C9

68 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 252

Conjugacy classes & character table

378 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD3×C9×Dic7, C9×#4245, C9×#4247, …
maximal normal subgroup ofD3×C9×Dic7, C9×#4245, C9×#4247, …
maximal quotient ofC7×C9×Dic6, C4×D3×C7×C9, C7×C9×D12, …
automorphism group ofC22×C127
outer automorphism group ofC22×C127

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(756, 122);