Finite Group Databasebeta
Cayley diagram

C32×ΓL(1,𝔽8) #4435

order189
isoclinismisoclinic class of ΓL(1,𝔽8)
automorphismAut(G) = AGL(1,𝔽7)×AGL(2,𝔽3) (order 18144) · Inn(G) = ΓL(1,𝔽8) · Out(G) = C2×AGL(2,𝔽3)
homologyAbelianization (H1) = C33 · Schur multiplier (H2) = C33

Aliases

direct productC32×ΓL(1,𝔽8)
unambiguous semidirect productC7⋊C33
unambiguous semidirect product(C3×C7)⋊C32

Splittings

Fitting, socleC32×C7 ⋊ C3
derived, SylowC7 ⋊ C33

Subgroups

subgroupG/H
center, hypercenterC32ΓL(1,𝔽8)
commutator, cosocle, hypocenterC7C33
FrattiniC1G
Fitting, socleC32×C7C3
LCSG ▷ C7
UCSC1 ◁ C32

56 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 13
transitive degreeμt(G) = 63

A minimal faithful permutation representation — 3 generators on 13 points:

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

Conjugacy classes & character table

45 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC32×AGL(1,𝔽7), C3×D3×ΓL(1,𝔽8), C3×C3⋊AGL(1,𝔽7), …
maximal normal subgroup ofC32×AGL(1,𝔽7), C3×D3×ΓL(1,𝔽8), C3×C3⋊AGL(1,𝔽7), …
maximal quotient ofC2×C32×ΓL(1,𝔽8), C3×C9×ΓL(1,𝔽8), C3×#4427, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(189, 12);