Finite Group Databasebeta

(C9⋊D27)⋊C4 #14515758

order1944
isoclinismisoclinic class of D9×D27
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect product(C9⋊D27)⋊C4

Splittings

derived, SylowC9×C27 ⋊ C2×C4

Subgroups

subgroupG/H
center, hypercenterC2D9×D27
commutator, hypocenterC9×C27C2×C4
FrattiniC2×C3×C9D32
Fitting, cosocleC2×C9×C27C22
socleC2×C32D3×D9
prime radicalC2×C9⋊D27C2
LCSG ▷ C9×C27
UCSC1 ◁ C2

156 conjugacy classes of subgroups; only the 35 normal subgroups are shown.

normal subgroups only

This group has 156 conjugacy classes of subgroups — too many to draw. Only its 35 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:

2^3,3^5|a^2=c,b^2=c,d^3=g,e^3=f,f^3=h,e^a=e^2f^2h^2,f^a=f^2h^2,h^a=h^2,d^b=d^2g^2,g^b=g^2

Conjugacy classes & character table

180 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1944, 152);