Finite Group Databasebeta

#557⋊C27 #13136185

order1728
automorphism?
homologyAbelianization (H1) = C22×C27 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect product#557⋊C27

Splittings

Sylow#557 ⋊ C27

Subgroups

subgroupG/H
center, FrattiniC22×C9C22×A4
commutatorC2×Q8C22×C27
FittingC9×#557C3
socle, prime radicalC22×C3C22×C22⋊C9
cosocleC2×Q8×C9C22×C3
hypercenterC9×C4⋊C4A4
hypocenterQ8Q8×C27
LCSG ▷ C2×Q8 ▷ Q8
UCSC1 ◁ C22×C9 ◁ C9×C4⋊C4

157 conjugacy classes of subgroups; only the 57 normal subgroups are shown.

normal subgroups only

This group has 157 conjugacy classes of subgroups — too many to draw. Only its 57 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) = 1728

Polycyclic presentation:

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

Conjugacy classes & character table

315 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1728, 2248);