Finite Group Databasebeta

AGL(1,𝔽5)×Dic9 #10623630

order720
isoclinismisoclinic class of D9×AGL(1,𝔽5)
automorphism?
homologyAbelianization (H1) = C42 · Schur multiplier (H2) = C4

Aliases

direct productAGL(1,𝔽5)×Dic9
unambiguous semidirect product(C9×AGL(1,𝔽5))⋊C4
unambiguous semidirect product(C9⋊AGL(1,𝔽5))⋊C4

Splittings

derived, HallC5×C9 ⋊ C42
SylowC9 ⋊ C4×AGL(1,𝔽5)
SylowC5 ⋊ C4×Dic9

Subgroups

subgroupG/H
center, hypercenterC2D9×AGL(1,𝔽5)
commutator, hypocenterC5×C9C42
FrattiniC2×C3D3×AGL(1,𝔽5)
FittingC2×C5×C9C2×C4
socleC2×C3×C5C4×D3
prime radicalC2×C3×D5C2×D3
cosocleC2×C9×D5C22
LCSG ▷ C5×C9
UCSC1 ◁ C2

90 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 180

Conjugacy classes & character table

60 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,𝔽5)×Dic18, #13085170, (C9⋊AGL(1,𝔽5))⋊Q8, …
maximal normal subgroup ofAGL(1,𝔽5)×Dic18, #13085170, (C9⋊AGL(1,𝔽5))⋊Q8, …
maximal quotient ofAGL(1,𝔽5)×C9⋊C8, #13083911, (C9⋊AGL(1,𝔽5))⋊C8, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(720, 99);