Finite Group Databasebeta

D55⋊D157 #46828790

order34540
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD55⋊D157
unambiguous semidirect productD785⋊D11
unambiguous semidirect productD1727⋊D5

Splittings

Fitting, socle, derived, HallC5×C11×C157 ⋊ C22
HallC11×C157 ⋊ C2×D5
HallC5×C157 ⋊ C2×D11
SylowC157 ⋊ D5×D11
HallC5×C11 ⋊ C2×D157
SylowC11 ⋊ D5×D157
SylowC5 ⋊ D11×D157

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC5×C11×C157C22
LCSG ▷ C5×C11×C157
UCSC1

40 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 8635

Polycyclic presentation:

2^2,5,11,157|d^a=d^10,e^a=e^156,c^b=c^4,d^b=d^10

Conjugacy classes & character table

2290 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(34540, 39);