Finite Group Databasebeta

C7×3−1+2⋊D7 #72229919

order2646
isoclinismisoclinic class of 3−1+2⋊D7
automorphism?
homologyAbelianization (H1) = C2×C3×C7 · Schur multiplier (H2) = C1

Aliases

direct productC7×3−1+2⋊D7

Splittings

Fitting, HallC72×3−1+2 ⋊ C2
derivedC7×C9 ⋊ C2×C3×C7
SylowC72 ⋊ AGL(1,ℤ/9)
Sylow3−1+2 ⋊ C7×D7

Subgroups

subgroupG/H
center, hypercenterC73−1+2⋊D7
commutator, cosocle, hypocenterC7×C9C2×C3×C7
FrattiniC3C3×C7×D21
FittingC72×3−1+2C2
socleC3×C72C3×D3
LCSG ▷ C7×C9
UCSC1 ◁ C7

76 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 126

Conjugacy classes & character table

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

Relationships

maximal subgroup of#72229923, C7×D7×AGL(1,ℤ/9), D7×3−1+2⋊D7, …
maximal normal subgroup of#72229923, C7×D7×AGL(1,ℤ/9), D7×3−1+2⋊D7, …

GAP

Past the SmallGroups library coverage — no SmallGroups id.