Finite Group Databasebeta

Dic9⋊(C22⋊C9) #13047053

order1296
isoclinismisoclinic class of D9⋊A4
automorphism?
homologyAbelianization (H1) = C4×C9 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productDic9⋊(C22⋊C9)
unambiguous semidirect product(C9⋊(C22⋊C9))⋊C4

Splittings

derivedC22×C9 ⋊ C4×C9

Subgroups

subgroupG/H
center, hypercenterC2×C3D9⋊A4
commutator, hypocenterC22×C9C4×C9
FrattiniC2×C32D3×A4
Fitting, cosocleC23×C3×C9C2×C3
socle, prime radicalC23×C32C3×D3
LCSG ▷ C22×C9
UCSC1 ◁ C2×C3

120 conjugacy classes of subgroups; only the 33 normal subgroups are shown.

normal subgroups only

This group has 120 conjugacy classes of subgroups — too many to draw. Only its 33 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 108

Polycyclic presentation:

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

Conjugacy classes & character table

96 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#72245131, #72245182
maximal normal subgroup of#72245182
maximal quotient of#72245131

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1296, 771);