Finite Group Databasebeta

#90439⋊C3 #13057482

order1344
automorphism?
homologyAbelianization (H1) = C24×C3 · Schur multiplier (H2) = C25

Aliases

unambiguous semidirect product#90439⋊C3

Splittings

FittingC2×C7×M16 ⋊ C2×C3
Hall#90439 ⋊ C3
HallΓL(1,𝔽8) ⋊ #575
SylowC7 ⋊ C3×#575

Subgroups

subgroupG/H
centerC4C2×C4⋊AGL(1,𝔽7)
commutator, cosocleC4×C7C24×C3
FrattiniC4C23×AGL(1,𝔽7)
FittingC2×C7×M16C2×C3
socleC2×C7C22×C3×D4
hypercenterC2×M16AGL(1,𝔽7)
hypocenterC7C3×#575
LCSG ▷ C4×C7 ▷ C2×C7 ▷ C7
UCSC1 ◁ C4 ◁ C22×C4 ◁ C2×M16

524 conjugacy classes of subgroups; only the 186 normal subgroups are shown.

normal subgroups only

This group has 524 conjugacy classes of subgroups — too many to draw. Only its 186 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) = 112

Polycyclic presentation:

2^4,3,2^2,7|c^2=g,d^2=f,f^2=g,d^a=df,f^a=fg,h^a=h^6,d^b=dg,h^e=h^2

Conjugacy classes & character table

86 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofAGL(1,𝔽7)×#575, #72229363, #72229461, …
maximal normal subgroup ofAGL(1,𝔽7)×#575, #72229363, #72229461, …
maximal quotient ofC4×#6471⋊C3

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 6771);