Finite Group Databasebeta
Cayley diagram

AGL(1,𝔽9)⋊C4 #64195

order288
isoclinismisoclinic class of AΓL(1,𝔽9)
automorphismAut(G) = C22×AΓL(1,𝔽9) (order 576) · Inn(G) = AΓL(1,𝔽9) · Out(G) = C22
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productAGL(1,𝔽9)⋊C4

Splittings

SylowC32 ⋊ #106

Subgroups

subgroupG/H
center, Frattini, hypercenterC2AΓL(1,𝔽9)
commutator#157C2×C4
Fitting, socleC2×C32SD16
prime radicalC2×C3⋊D3D4
cosocleC2×#157C22
hypocenterC32#106
LCSG ▷ #157 ▷ C3⋊D3 ▷ C32
UCSC1 ◁ C2

44 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 13
transitive degreeμt(G) = 36

A minimal faithful permutation representation — 2 generators on 13 points:

(1,6,8)(2,5,7,4,9,3)(10,11,12,13);(2,3,4,8,5,7,9,6)

Polycyclic presentation:

2^5,3^2|a^2=c,b^2=d,c^2=e,b^a=bce,f^a=g,g^a=fg^2,c^b=ce,f^b=fg^2,g^b=g^2,f^c=fg^2,g^c=f^2g^2,f^e=f^2,g^e=g^2

Conjugacy classes & character table

18 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofGO+(4,𝔽2)⋊Q8, AGL(1,𝔽9)⋊Q8, PSU(3,𝔽2)⋊Q8, …
maximal normal subgroup ofGO+(4,𝔽2)⋊Q8, AGL(1,𝔽9)⋊Q8, PSU(3,𝔽2)⋊Q8, …
maximal quotient ofAGL(1,𝔽9)⋊C8, #10593163, #10593166, …
automorphism group of#3771

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(288, 843);