Finite Group Databasebeta

#578⋊ΓL(1,𝔽8) #13060796

order1344
automorphism?
homologyAbelianization (H1) = C22×C3 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect product#578⋊ΓL(1,𝔽8)

Splittings

Fitting, HallC7×#578 ⋊ C3
Sylow#578 ⋊ ΓL(1,𝔽8)
SylowC7 ⋊ #578⋊C3

Subgroups

subgroupG/H
centerC2D4×C22⋊ΓL(1,𝔽8)
commutator, cosocleC7×#41C22×C3
FrattiniC4C22×C22⋊ΓL(1,𝔽8)
FittingC7×#578C3
socleC2×C7D4×A4
hypercenterD8C22⋊ΓL(1,𝔽8)
hypocenterC7×Q8C3×D4
LCSG ▷ C7×#41 ▷ C7×Q8
UCSC1 ◁ C2 ◁ C4 ◁ D8

146 conjugacy classes of subgroups; only the 32 normal subgroups are shown.

normal subgroups only

This group has 146 conjugacy classes of subgroups — too many to draw. Only its 32 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) = 224

Polycyclic presentation:

2^2,3,2^3,7,2|d^2=h,e^2=h,f^2=h,b^a=bd,d^a=dh,d^b=dh,e^c=ef,f^c=e,g^c=g^4,f^e=fh

Conjugacy classes & character table

70 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 10085);