Finite Group Databasebeta
Cayley diagram

C3×C7×ΓL(1,𝔽8) #89208

order441
isoclinismisoclinic class of ΓL(1,𝔽8)
automorphismAut(G) = C2×C3×D3×AGL(1,𝔽7) (order 1512) · Inn(G) = ΓL(1,𝔽8) · Out(G) = C22×C3×D3
homologyAbelianization (H1) = C32×C7 · Schur multiplier (H2) = C3

Aliases

direct productC3×C7×ΓL(1,𝔽8)
unambiguous semidirect productC7⋊(C32×C7)
unambiguous semidirect product(C3×C7)⋊(C3×C7)

Splittings

Fitting, socleC3×C72 ⋊ C3
derivedC7 ⋊ C32×C7
SylowC72 ⋊ C32

Subgroups

subgroupG/H
center, hypercenterC3×C7ΓL(1,𝔽8)
commutator, cosocle, hypocenterC7C32×C7
FrattiniC1G
Fitting, socleC3×C72C3
LCSG ▷ C7
UCSC1 ◁ C3×C7

28 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 17
transitive degreeμt(G) = 63

A minimal faithful permutation representation — 2 generators on 17 points:

(4,5,6,7,8,9,10)(12,13,14)(15,17,16);(1,2,3)(11,12,13,15,14,16,17)

Conjugacy classes & character table

105 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC3×C7×AGL(1,𝔽7), C3×D7×ΓL(1,𝔽8), C3×ΓL(1,𝔽8)⋊D7, …
maximal normal subgroup ofC3×C7×AGL(1,𝔽7), C3×D7×ΓL(1,𝔽8), C3×ΓL(1,𝔽8)⋊D7, …
maximal quotient ofC2×C3×C7×ΓL(1,𝔽8), C7×C9×ΓL(1,𝔽8), C7×#4427, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(441, 10);