Finite Group Databasebeta

3−1+2⋊PSU(3,𝔽2) #14519155

order1944
isoclinismisoclinic class of 3−1+2⋊PSU(3,𝔽2)
automorphism?
homologyAbelianization (H1) = C22×C3 · Schur multiplier (H2) = C3

Aliases

unambiguous semidirect product3−1+2⋊PSU(3,𝔽2)
unambiguous semidirect product(C9⋊PSU(3,𝔽2))⋊C3

Splittings

Fitting, SylowC32×3−1+2 ⋊ Q8

Subgroups

subgroupG/H
center, hypercenterC1G
commutator, cosocleC9×C3⋊D3C22×C3
FrattiniC3C3×C3⋊PSU(3,𝔽2)
FittingC32×3−1+2Q8
socleC33C3×Dic6
prime radicalC32×C3⋊D3C2×D3
hypocenterC32×C9C3×Q8
LCSG ▷ C9×C3⋊D3 ▷ C32×C9
UCSC1

124 conjugacy classes of subgroups; only the 26 normal subgroups are shown.

normal subgroups only

This group has 124 conjugacy classes of subgroups — too many to draw. Only its 26 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:

2^2,3,2,3^4|a^2=d,b^2=d,g^3=h,b^a=bd,e^a=f,f^a=e^2,g^a=g^2h^2,h^a=h^2,e^b=ef^2,f^b=e^2f^2,g^c=gh^2,e^d=e^2,f^d=f^2

Conjugacy classes & character table

42 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1944, 3549);