Finite Group Databasebeta

C7×D79⋊C9 #23755771

order9954
automorphism?
homologyAbelianization (H1) = C2×C7×C9 · Schur multiplier (H2) = C1

Aliases

direct productC7×D79⋊C9
unambiguous semidirect productD79⋊(C7×C9)
unambiguous semidirect product(C79⋊C9)⋊(C2×C7)

Splittings

derived, SylowC79 ⋊ C2×C7×C9
HallC7×C79⋊C9 ⋊ C2
HallC7×D79 ⋊ C9
HallC79⋊C9 ⋊ C2×C7
HallC7×C79 ⋊ C2×C9
HallD79 ⋊ C7×C9

Subgroups

subgroupG/H
center, hypercenterC3×C7D79⋊C3
commutator, hypocenterC79C2×C7×C9
FrattiniC3C7×D79⋊C3
Fitting, socleC3×C7×C79C2×C3
prime radicalC3×C7×D79C3
cosocleC3×C79C2×C3×C7
LCSG ▷ C79
UCSC1 ◁ C3×C7

24 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

399 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD7×D79⋊C9, C2×C7×D79⋊C9
maximal normal subgroup ofD7×D79⋊C9, C2×C7×D79⋊C9
maximal quotient ofC7×Dic79⋊C9, C2×C7×D79⋊C9

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(9954, 13);