Finite Group Databasebeta

(C9⋊S4)⋊C8 #13146189

order1728
isoclinismisoclinic class of D9×S4
automorphism?
homologyAbelianization (H1) = C2×C8 · Schur multiplier (H2) = C22

Aliases

unambiguous semidirect product(C9⋊S4)⋊C8

Splittings

derivedC9×A4 ⋊ C2×C8

Subgroups

subgroupG/H
center, hypercenterC4D9×S4
commutator, hypocenterC9×A4C2×C8
FrattiniC3×C4D3×S4
FittingC22×C4×C9C2×D3
socleC23×C3#624
prime radicalC2×C9⋊S4C4
cosocleC4×C9×A4C22
LCSG ▷ C9×A4
UCSC1 ◁ C4

269 conjugacy classes of subgroups; only the 39 normal subgroups are shown.

normal subgroups only

This group has 269 conjugacy classes of subgroups — too many to draw. Only its 39 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:

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

Conjugacy classes & character table

120 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1728, 12252);