Finite Group Databasebeta

D9⋊(#120⋊C3) #13147113

order1728
isoclinismisoclinic class of D9⋊(#120⋊C3)
automorphism?
homologyAbelianization (H1) = C22×C3 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect productD9⋊(#120⋊C3)
unambiguous semidirect product(D9⋊(C22⋊A4))⋊C2

Splittings

FittingC9×#120 ⋊ C2×C3
derivedC24×C9 ⋊ C22×C3

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, cosocle, hypocenterC24×C9C22×C3
Frattini, socleC22×C3C2×D3×A4
FittingC9×#120C2×C3
LCSG ▷ C24×C9
UCSC1

434 conjugacy classes of subgroups; only the 29 normal subgroups are shown.

normal subgroups only

This group has 434 conjugacy classes of subgroups — too many to draw. Only its 29 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:

2^2,3,2^4,3^2|h^3=i,h^a=h^2i^2,i^a=i^2,d^b=df,e^b=efg,d^c=de,e^c=d,f^c=g,g^c=fg,h^c=hi^2

Conjugacy classes & character table

44 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1728, 13176);