Finite Group Databasebeta
Cayley diagram

C3⋊AGL(1,𝔽9) #6318

order216
isoclinismisoclinic class of C3⋊AGL(1,𝔽9)
automorphismAut(G) = D3×AΓL(1,𝔽9) (order 864) · Inn(G) = G · Out(G) = C22
homologyAbelianization (H1) = C8 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC3⋊AGL(1,𝔽9)

Splittings

Fitting, socle, derived, SylowC33 ⋊ C8

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC33C8
prime radicalC3×C3⋊D3C4
cosocleC3×#157C2
LCSG ▷ C33
UCSC1

22 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 12
transitive degreeμt(G) = 24

A minimal faithful permutation representation — 2 generators on 12 points:

(2,3)(5,7,8,10,9,11,12,6);(1,2,3)(4,12,8)(5,11,6)(7,9,10)

Polycyclic presentation:

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

Conjugacy classes & character table

15 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofD3×AGL(1,𝔽9), #89091, #89092, …
maximal normal subgroup ofD3×AGL(1,𝔽9), #89091, #89092, …
maximal quotient ofC3⋊#3771, C2×C3⋊AGL(1,𝔽9), C9⋊AGL(1,𝔽9), …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(216, 155);