Finite Group Databasebeta

ΓL(1,𝔽8)⋊(D163⋊C3) #35206643

order20538
automorphism?
homologyAbelianization (H1) = C2×C32 · Schur multiplier (H2) = C3

Aliases

unambiguous semidirect productΓL(1,𝔽8)⋊(D163⋊C3)
unambiguous semidirect product(C163⋊C3)⋊AGL(1,𝔽7)
unambiguous semidirect product((C163⋊C3)⋊D7)⋊C3
unambiguous semidirect product(ΓL(1,𝔽8)⋊D163)⋊C3
unambiguous semidirect product#20292076⋊C3
unambiguous semidirect product#20292077⋊C3

Splittings

Fitting, socle, derived, HallC7×C163 ⋊ C2×C32
HallΓL(1,𝔽8)×C163⋊C3 ⋊ C2
HallD1141 ⋊ C32
SylowC163 ⋊ C3×AGL(1,𝔽7)
SylowC7 ⋊ C3×D163⋊C3

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC7×C163C2×C32
LCSG ▷ C7×C163
UCSC1

48 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1141

Polycyclic presentation:

2,3^2,7,163|d^a=d^6,e^a=e^162,e^b=e^104,d^c=d^2

Conjugacy classes & character table

156 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(20538, 31);