Finite Group Databasebeta

C439⋊#157 #30629004

order15804
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C3

Aliases

unambiguous semidirect productC439⋊#157

Splittings

Fitting, socle, derived, HallC32×C439 ⋊ C4
SylowC439 ⋊ #157
SylowC32 ⋊ Dic439

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC32×C439C4
prime radical, cosocleC3⋊D3×C439C2
LCSG ▷ C32×C439
UCSC1

20 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2634

Polycyclic presentation:

2^2,3^2,439|a^2=b,c^a=cd,d^a=cd^2,e^a=e^438,c^b=c^2,d^b=d^2

Conjugacy classes & character table

1320 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(15804, 38);