Finite Group Databasebeta

#11721950⋊C2 #13136134

order1728
isoclinismisoclinic class of #11721950⋊C2
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect product#11721950⋊C2

Splittings

derivedC22⋊(C22⋊C27) ⋊ C22

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, cosocle, hypocenterC22⋊(C22⋊C27)C22
FrattiniC22×C9C2×S4
FittingC9×#120D3
socleC22×C3C2×(C22⋊C9)⋊C2
LCSG ▷ C22⋊(C22⋊C27)
UCSC1

259 conjugacy classes of subgroups; only the 20 normal subgroups are shown.

normal subgroups only

This group has 259 conjugacy classes of subgroups — too many to draw. Only its 20 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) = 108

Polycyclic presentation:

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

Conjugacy classes & character table

54 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1728, 2197);