Finite Group Databasebeta

A4×C9⋊AGL(1,𝔽5) #72247497

order2160
automorphism?
homologyAbelianization (H1) = C3×C4 · Schur multiplier (H2) = C2

Aliases

direct productA4×C9⋊AGL(1,𝔽5)

Splittings

Fitting, derivedC22×C5×C9 ⋊ C3×C4
SylowC5 ⋊ A4×Dic9

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, Fitting, hypocenterC22×C5×C9C3×C4
FrattiniC3A4×ΓL(1,𝔽16)
socleC22×C3×C5C3×Dic3
prime radicalC3×D5×A4D3
cosocleC22×C9×D5C2×C3
LCSG ▷ C22×C5×C9
UCSC1

130 conjugacy classes of subgroups; only the 30 normal subgroups are shown.

normal subgroups only

This group has 130 conjugacy classes of subgroups — too many to draw. Only its 30 normal subgroups are shown.

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

Full subgroup data →

Presentation

minimal degreeμ(G) = 18
transitive degreeμt(G) = 180

A minimal faithful permutation representation — 2 generators on 18 points:

(2,3,4,5)(7,9)(8,12)(10,13)(11,14)(16,18,17);(1,2,5,3,4)(6,13,14,8,7,9,12,11,10)(15,18)(16,17)

Conjugacy classes & character table

84 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofA4×3−1+2⋊AGL(1,𝔽5), A4×D9×AGL(1,𝔽5), S4×C9⋊AGL(1,𝔽5), …
maximal normal subgroup ofA4×3−1+2⋊AGL(1,𝔽5), A4×D9×AGL(1,𝔽5), S4×C9⋊AGL(1,𝔽5), …

GAP

Past the SmallGroups library coverage — no SmallGroups id. Construct it from a minimal faithful permutation representation:

gap> G := Group((2,3,4,5)(7,9)(8,12)(10,13)(11,14)(16,18,17), (1,2,5,3,4)(6,13,14,8,7,9,12,11,10)(15,18)(16,17));