Finite Group Databasebeta

(C3⋊AGL(1,ℤ/9))⋊C4 #10619862

order648
isoclinismisoclinic class of D3×AGL(1,ℤ/9)
automorphism?
homologyAbelianization (H1) = C2×C3×C4 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect product(C3⋊AGL(1,ℤ/9))⋊C4
unambiguous semidirect product((C3⋊D9)⋊C4)⋊C3

Splittings

derivedC3×C9 ⋊ C2×C3×C4
SylowC3×3−1+2 ⋊ C2×C4

Subgroups

subgroupG/H
center, hypercenterC2D3×AGL(1,ℤ/9)
commutator, hypocenterC3×C9C2×C3×C4
FrattiniC2×C3C3×D32
FittingC2×C3×3−1+2C22
socleC2×C32C2×C3×D3
prime radicalC2×C3⋊AGL(1,ℤ/9)C2
cosocleC2×C3×C9C22×C3
LCSG ▷ C3×C9
UCSC1 ◁ C2

135 conjugacy classes of subgroups; only the 37 normal subgroups are shown.

normal subgroups only

This group has 135 conjugacy classes of subgroups — too many to draw. Only its 37 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) = 36

Polycyclic presentation:

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

Conjugacy classes & character table

60 conjugacy classes — view the full character table.

Relationships

maximal subgroup of(C3⋊AGL(1,ℤ/9))⋊Q8, #88635⋊C3, #88642⋊C3, …
maximal normal subgroup of(C3⋊AGL(1,ℤ/9))⋊Q8, #88635⋊C3, #88642⋊C3, …
maximal quotient of(C3⋊AGL(1,ℤ/9))⋊C8, #88414⋊C3, Dic3×3−1+2⋊C4, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(648, 381);