Finite Group Databasebeta

C4⋊(#41⋊ΓL(1,𝔽8)) #13060782

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

Aliases

unambiguous semidirect productC4⋊(#41⋊ΓL(1,𝔽8))
unambiguous semidirect product#550⋊ΓL(1,𝔽8)

Splittings

Fitting, HallC7×#550 ⋊ C3
Sylow#550 ⋊ ΓL(1,𝔽8)
SylowC7 ⋊ C4⋊(#41⋊C3)

Subgroups

subgroupG/H
center, FrattiniC22C22×C22⋊ΓL(1,𝔽8)
commutator, cosocleC2×C7×Q8C22×C3
FittingC7×#550C3
socleC22×C7C22×A4
hypercenterC4⋊C4C22⋊ΓL(1,𝔽8)
hypocenterC7×Q8C3×D4
LCSG ▷ C2×C7×Q8 ▷ C7×Q8
UCSC1 ◁ C22 ◁ C4⋊C4

174 conjugacy classes of subgroups; only the 40 normal subgroups are shown.

normal subgroups only

This group has 174 conjugacy classes of subgroups — too many to draw. Only its 40 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) = 448

Polycyclic presentation:

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

Conjugacy classes & character table

85 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 10071);