Finite Group Databasebeta

D7⋊(2−1+4⋊C3) #13062199

order1344
automorphism?
homologyAbelianization (H1) = C23×C3 · Schur multiplier (H2) = C23

Aliases

unambiguous semidirect productD7⋊(2−1+4⋊C3)

Splittings

FittingC7×2−1+4 ⋊ C2×C3
HallD7×2−1+4 ⋊ C3
SylowC7 ⋊ C2×2−1+4⋊C3

Subgroups

subgroupG/H
center, FrattiniC2C22×D7⋊A4
commutator, cosocle, hypocenterC7×Q8C23×C3
FittingC7×2−1+4C2×C3
socleC2×C7C23×A4
hypercenterD4D7⋊A4
LCSG ▷ C7×Q8
UCSC1 ◁ C2 ◁ D4

408 conjugacy classes of subgroups; only the 62 normal subgroups are shown.

normal subgroups only

This group has 408 conjugacy classes of subgroups — too many to draw. Only its 62 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:

2^3,3,2^2,7,2|e^2=h,f^2=h,g^a=g^6,c^b=ch,e^d=ef,f^d=e,g^d=g^4,f^e=fh

Conjugacy classes & character table

55 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1344, 11488);