Finite Group Databasebeta

ΓL(1,𝔽8)⋊D137 #19153406

order5754
automorphism?
homologyAbelianization (H1) = C2×C3 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productΓL(1,𝔽8)⋊D137
unambiguous semidirect productC137⋊AGL(1,𝔽7)
unambiguous semidirect productD959⋊C3

Splittings

Fitting, socle, derived, HallC7×C137 ⋊ C2×C3
HallΓL(1,𝔽8)×C137 ⋊ C2
HallD959 ⋊ C3
SylowC137 ⋊ AGL(1,𝔽7)
HallΓL(1,𝔽8) ⋊ D137
SylowC7 ⋊ C3×D137

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC7×C137C2×C3
LCSG ▷ C7×C137
UCSC1

16 conjugacy classes of subgroups.

Full subgroup data →

Presentation

Polycyclic presentation:

2,3,7,137|c^a=c^6,d^a=d^136,c^b=c^2

Conjugacy classes & character table

347 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,𝔽7)×D137, C2×ΓL(1,𝔽8)⋊D137, C3×ΓL(1,𝔽8)⋊D137, …
maximal normal subgroup ofAGL(1,𝔽7)×D137, C2×ΓL(1,𝔽8)⋊D137, C3×ΓL(1,𝔽8)⋊D137, …
maximal quotient ofΓL(1,𝔽8)⋊Dic137, C2×ΓL(1,𝔽8)⋊D137, (C7⋊C9)⋊D137, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(5754, 12);