Finite Group Databasebeta

D5×C9⋊C9 #11717600

order810
automorphism?
homologyAbelianization (H1) = C2×C3×C9 · Schur multiplier (H2) = C3

Aliases

direct productD5×C9⋊C9
unambiguous semidirect productC5⋊(C2×C9⋊C9)
unambiguous semidirect product(C9×D5)⋊C9

Splittings

Fitting, HallC5×C9⋊C9 ⋊ C2
SylowC5 ⋊ C2×C9⋊C9

Subgroups

subgroupG/H
center, FrattiniC32C32×D5
commutatorC3×C5C2×C3×C9
FittingC5×C9⋊C9C2
socle, cosocleC32×C5C2×C32
prime radicalC32×D5C32
hypercenterC9⋊C9D5
hypocenterC5C2×C9⋊C9
LCSG ▷ C3×C5 ▷ C5
UCSC1 ◁ C32 ◁ C9⋊C9

68 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 405

Conjugacy classes & character table

132 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,𝔽5)×C9⋊C9, (C9⋊C9)⋊AGL(1,𝔽5), D5×D9⋊C9, …
maximal normal subgroup ofAGL(1,𝔽5)×C9⋊C9, (C9⋊C9)⋊AGL(1,𝔽5), D5×D9⋊C9, …
maximal quotient ofDic5×C9⋊C9, C2×D5×C9⋊C9, D5×#6875

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(810, 7);