Finite Group Databasebeta

AGL(1,𝔽5)×AGL(1,ℤ/9) #11761925

order1080
isoclinismisoclinic class of AGL(1,𝔽5)×AGL(1,ℤ/9)
automorphism?
homologyAbelianization (H1) = C2×C3×C4 · Schur multiplier (H2) = C2

Aliases

direct productAGL(1,𝔽5)×AGL(1,ℤ/9)
unambiguous semidirect productD9⋊(C3×AGL(1,𝔽5))
unambiguous semidirect product(D9×AGL(1,𝔽5))⋊C3
unambiguous semidirect product(AGL(1,𝔽5)×3−1+2)⋊C2
unambiguous semidirect product(3−1+2⋊AGL(1,𝔽5))⋊C2

Splittings

Fitting, HallC5×3−1+2 ⋊ C2×C4
derivedC5×C9 ⋊ C2×C3×C4
Sylow3−1+2 ⋊ C2×AGL(1,𝔽5)
SylowC5 ⋊ C4×AGL(1,ℤ/9)

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, hypocenterC5×C9C2×C3×C4
FrattiniC3C3×D3×AGL(1,𝔽5)
FittingC5×3−1+2C2×C4
socleC3×C5C3×C4×D3
prime radicalD5×AGL(1,ℤ/9)C2
cosocleC9×D5C22×C3
LCSG ▷ C5×C9
UCSC1

102 conjugacy classes of subgroups; only the 32 normal subgroups are shown.

normal subgroups only

This group has 102 conjugacy classes of subgroups — too many to draw. Only its 32 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 45

Conjugacy classes & character table

50 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,ℤ/9)×#1043, C2×AGL(1,𝔽5)×AGL(1,ℤ/9), AGL(1,ℤ/9)×#1044, …
maximal normal subgroup ofC2×AGL(1,𝔽5)×AGL(1,ℤ/9), C3×AGL(1,𝔽5)×AGL(1,ℤ/9), C5×AGL(1,𝔽5)×AGL(1,ℤ/9)
maximal quotient ofAGL(1,ℤ/9)×#1043, C2×AGL(1,𝔽5)×AGL(1,ℤ/9), AGL(1,ℤ/9)×#1044, …
automorphism group ofD45, C9⋊AGL(1,𝔽5), D5×D9, …
holomorph ofC5×C9

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1080, 271);