Finite Group Databasebeta

(C127⋊C7)⋊#157 #44544783

order32004
automorphism?
homologyAbelianization (H1) = C4×C7 · Schur multiplier (H2) = C3

Aliases

unambiguous semidirect product(C127⋊C7)⋊#157
unambiguous semidirect product(C127⋊#157)⋊C7

Splittings

Fitting, socle, derived, HallC32×C127 ⋊ C4×C7
HallC32×C127⋊C7 ⋊ C4
HallC127⋊#157 ⋊ C7
HallC127⋊C7 ⋊ #157
SylowC127 ⋊ C7×#157
SylowC32 ⋊ Dic127⋊C7

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC32×C127C4×C7
prime radicalC3⋊D3×C127⋊C7C2
cosocleC3⋊D3×C127C2×C7
LCSG ▷ C32×C127
UCSC1

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 762

Polycyclic presentation:

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

Conjugacy classes & character table

96 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(32004, 165);