Finite Group Databasebeta

3−1+2⋊#338 #13135686

order1728
automorphism?
homologyAbelianization (H1) = C3×C42 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect product3−1+2⋊#338
unambiguous semidirect product(C9⋊#338)⋊C3

Splittings

Sylow3−1+2 ⋊ #338

Subgroups

subgroupG/H
centerC4C4×3−1+2⋊C4
commutatorC4×C9C3×C42
FrattiniC22×C3×C4C2×C3×D3
FittingC2×M16×3−1+2C2
socleC2×C3C3×C3⋊#95
prime radicalC23×C32Dic6
cosocleC22×C4×C9C22×C3
hypercenterC2×M16AGL(1,ℤ/9)
hypocenterC9C3×#338
LCSG ▷ C4×C9 ▷ C9
UCSC1 ◁ C4 ◁ C2×M16

292 conjugacy classes of subgroups; only the 114 normal subgroups are shown.

normal subgroups only

This group has 292 conjugacy classes of subgroups — too many to draw. Only its 114 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) = 144

Polycyclic presentation:

2^2,3,2^4,3^2|a^2=f,b^2=d,d^2=g,e^2=g,f^2=g,h^3=i,b^a=be,d^a=dg,h^a=h^2i^2,i^a=i^2,f^b=fg,h^c=hi^2

Conjugacy classes & character table

146 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1728, 1749);