Finite Group Databasebeta

C7×D657 #22604085

order9198
automorphism?
homologyAbelianization (H1) = C2×C7 · Schur multiplier (H2) = C1

Aliases

direct productC7×D657
unambiguous semidirect productC9⋊(C7×D73)
unambiguous semidirect productC73⋊(C7×D9)

Splittings

Fitting, HallC7×C9×C73 ⋊ C2
derived, HallC9×C73 ⋊ C2×C7
HallC7×C73 ⋊ D9
SylowC73 ⋊ C7×D9
HallC7×C9 ⋊ D73
SylowC9 ⋊ C7×D73

Subgroups

subgroupG/H
center, hypercenterC7D657
commutator, hypocenterC9×C73C2×C7
FrattiniC3C7×D219
FittingC7×C9×C73C2
socleC3×C7×C73D3
LCSG ▷ C9×C73
UCSC1 ◁ C7

24 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

2310 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofC7×D9×D73, D7×D657, D63⋊D73, …
maximal normal subgroup ofC7×D9×D73, D7×D657, D63⋊D73, …
maximal quotient ofC7×Dic657, C2×C7×D657

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(9198, 10);