Finite Group Databasebeta

C3⋊(#399⋊C9) #13136826

order1728
automorphism?
homologyAbelianization (H1) = C2×C9 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productC3⋊(#399⋊C9)
unambiguous semidirect product#4677⋊C9

Splittings

derivedC3×#95 ⋊ C2×C9

Subgroups

subgroupG/H
center, hypercenterC2×C3C3⋊(#127⋊C3)
commutator, hypocenterC3×#95C2×C9
FrattiniC23×C3D3×A4
Fitting, cosocleC32×#95C2×C3
socleC23×C32C2×A4
prime radicalC23×C3×D3A4
LCSG ▷ C3×#95
UCSC1 ◁ C2×C3

201 conjugacy classes of subgroups; only the 31 normal subgroups are shown.

normal subgroups only

This group has 201 conjugacy classes of subgroups — too many to draw. Only its 31 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) = 72

Polycyclic presentation:

2,3^2,2^2,3,2^3|b^3=c,d^2=g,e^2=gi,d^a=dh,e^a=ehi,f^a=f^2,d^b=de,e^b=dhi,g^b=ghi,h^b=i,i^b=hi,e^d=egh

Conjugacy classes & character table

90 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1728, 2889);