Finite Group Databasebeta

Dic18⋊H(3,𝔽3) #14517319

order1944
automorphism?
homologyAbelianization (H1) = C22×C32 · Schur multiplier (H2) = C32

Aliases

unambiguous semidirect productDic18⋊H(3,𝔽3)
unambiguous semidirect product(C3×3−1+2⋊Q8)⋊C3

Splittings

SylowC9⋊H(3,𝔽3) ⋊ Q8

Subgroups

subgroupG/H
centerC2×C3C2×C3×AGL(1,ℤ/9)
commutator, cosocleC2×C3×C9C22×C32
Frattini, socleC2×C32C2×C32×D3
FittingC4×C9⋊H(3,𝔽3)C2
prime radicalC2×C3×H(3,𝔽3)C2×D3
hypercenterC32×C4AGL(1,ℤ/9)
hypocenterC9Q8×H(3,𝔽3)
LCSG ▷ C2×C3×C9 ▷ C9
UCSC1 ◁ C2×C3 ◁ C32×C4

273 conjugacy classes of subgroups; only the 72 normal subgroups are shown.

normal subgroups only

This group has 273 conjugacy classes of subgroups — too many to draw. Only its 72 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) = 216

Polycyclic presentation:

2^2,3^2,2,3^3|a^2=e,b^2=e,g^3=h,b^a=be,g^a=g^2h^2,h^a=h^2,d^c=df,g^d=gh^2

Conjugacy classes & character table

135 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1944, 1713);