Finite Group Databasebeta

C79×D7⋊C9 #23755776

order9954
isoclinismisoclinic class of AGL(1,𝔽7)
automorphism?
homologyAbelianization (H1) = C2×C9×C79 · Schur multiplier (H2) = C1

Aliases

direct productC79×D7⋊C9
unambiguous semidirect productD7⋊(C9×C79)
unambiguous semidirect product(C7⋊C9)⋊(C2×C79)

Splittings

derived, SylowC7 ⋊ C2×C9×C79
HallC7⋊C9×C79 ⋊ C2
HallD7×C79 ⋊ C9
HallC7×C79 ⋊ C2×C9
HallC7⋊C9 ⋊ C2×C79
HallD7 ⋊ C9×C79

Subgroups

subgroupG/H
center, hypercenterC3×C79AGL(1,𝔽7)
commutator, hypocenterC7C2×C9×C79
FrattiniC3AGL(1,𝔽7)×C79
Fitting, socleC3×C7×C79C2×C3
prime radicalC3×D7×C79C3
cosocleC3×C7C2×C3×C79
LCSG ▷ C7
UCSC1 ◁ C3×C79

24 conjugacy classes of subgroups.

Full subgroup data →

Conjugacy classes & character table

1659 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofD7⋊C9×D79, C2×C79×D7⋊C9
maximal normal subgroup ofD7⋊C9×D79, C2×C79×D7⋊C9
maximal quotient ofC79×Dic7⋊C9, C2×C79×D7⋊C9

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(9954, 18);