Finite Group Databasebeta

C9⋊(Dic127⋊C7) #44544635

order32004
automorphism?
homologyAbelianization (H1) = C4×C7 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC9⋊(Dic127⋊C7)
unambiguous semidirect product(C127⋊C7)⋊Dic9
unambiguous semidirect productDic1143⋊C7

Splittings

derived, HallC9×C127 ⋊ C4×C7
HallC9×C127⋊C7 ⋊ C4
HallDic1143 ⋊ C7
HallC127⋊C7 ⋊ Dic9
SylowC127 ⋊ C7×Dic9
SylowC9 ⋊ Dic127⋊C7

Subgroups

subgroupG/H
center, hypercenterC2C9⋊(D127⋊C7)
commutator, hypocenterC9×C127C4×C7
FrattiniC2×C3C3⋊(D127⋊C7)
Fitting, cosocleC2×C9×C127C2×C7
socleC2×C3×C127D3×C7
prime radicalC2×C3×C127⋊C7D3
LCSG ▷ C9×C127
UCSC1 ◁ C2

36 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4572

Polycyclic presentation:

2,3,7,127,2,3|a^2=e,b^3=f^2,b^a=b^2f,d^a=d^126,f^a=f^2,d^c=d^4

Conjugacy classes & character table

246 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(32004, 17);