Finite Group Databasebeta

C7×ΓL(1,𝔽8)⋊(D19⋊C3) #30660640

order16758
automorphism?
homologyAbelianization (H1) = C2×C32×C7 · Schur multiplier (H2) = C3

Aliases

direct productC7×ΓL(1,𝔽8)⋊(D19⋊C3)
unambiguous semidirect productΓL(1,𝔽8)⋊(C7×D19⋊C3)
unambiguous semidirect product(C19⋊C3)⋊(C7×AGL(1,𝔽7))
unambiguous semidirect product((C19⋊C3)⋊D7)⋊(C3×C7)
unambiguous semidirect product(ΓL(1,𝔽8)⋊D19)⋊(C3×C7)
unambiguous semidirect product#11716327⋊(C3×C7)
unambiguous semidirect product#11716328⋊(C3×C7)

Splittings

Fitting, socle, HallC72×C19 ⋊ C2×C32
derivedC7×C19 ⋊ C2×C32×C7
HallC7×ΓL(1,𝔽8)×C19⋊C3 ⋊ C2
HallC7×D133 ⋊ C32
SylowC72 ⋊ C3×D19⋊C3
SylowC19 ⋊ C3×C7×AGL(1,𝔽7)

Subgroups

subgroupG/H
center, hypercenterC7ΓL(1,𝔽8)⋊(D19⋊C3)
commutator, cosocle, hypocenterC7×C19C2×C32×C7
FrattiniC1G
Fitting, socleC72×C19C2×C32
LCSG ▷ C7×C19
UCSC1 ◁ C7

100 conjugacy classes of subgroups; only the 34 normal subgroups are shown.

normal subgroups only

This group has 100 conjugacy classes of subgroups — too many to draw. Only its 34 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 798

Conjugacy classes & character table

252 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC7×AGL(1,𝔽7)×D19⋊C3, D7×ΓL(1,𝔽8)⋊(D19⋊C3), (ΓL(1,𝔽8)⋊(D19⋊C3))⋊D7, …
maximal normal subgroup ofC7×AGL(1,𝔽7)×D19⋊C3, D7×ΓL(1,𝔽8)⋊(D19⋊C3), (ΓL(1,𝔽8)⋊(D19⋊C3))⋊D7, …
maximal quotient ofC7×ΓL(1,𝔽8)⋊((C19⋊C3)⋊C4), C2×C7×ΓL(1,𝔽8)⋊(D19⋊C3)

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16758, 167);