Finite Group Databasebeta

C31⋊#10597845 #34085674

order19468
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

unambiguous semidirect productC31⋊#10597845

Splittings

Fitting, socle, derived, HallC31×C157 ⋊ C4
SylowC157 ⋊ Dic31
SylowC31 ⋊ #10597845

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, hypocenterC31×C157C4
prime radical, cosocleC31×D157C2
LCSG ▷ C31×C157
UCSC1

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 4867

Polycyclic presentation:

2^2,31,157|a^2=b,c^a=c^30,d^a=d^28,d^b=d^156

Conjugacy classes & character table

1243 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19468, 7);