Finite Group Databasebeta

C7⋊(C127⋊#157) #44544885

order32004
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C3

Aliases

unambiguous semidirect productC7⋊(C127⋊#157)
unambiguous semidirect productC127⋊(C7⋊#157)

Splittings

Fitting, socle, derived, HallC32×C7×C127 ⋊ C4
HallC32×C127 ⋊ Dic7
HallC7×C127 ⋊ #157
SylowC127 ⋊ C7⋊#157
HallC32×C7 ⋊ Dic127
SylowC32 ⋊ Dic889
SylowC7 ⋊ C127⋊#157

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC32×C7×C127C4
prime radical, cosocleC7×C3⋊D3×C127C2
LCSG ▷ C32×C7×C127
UCSC1

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 5334

Polycyclic presentation:

2^2,3^2,7,127|a^2=b,c^a=cd,d^a=cd^2,e^a=e^6,f^a=f^126,c^b=c^2,d^b=d^2

Conjugacy classes & character table

2670 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(32004, 267);