Finite Group Databasebeta

D85⋊D55 #34035265

order18700
automorphism?
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

unambiguous semidirect productD85⋊D55

Splittings

Fitting, socle, derived, HallC52×C11×C17 ⋊ C22
HallC52×C17 ⋊ C2×D11
HallC52×C11 ⋊ C2×D17
HallC11×C17 ⋊ D52
SylowC52 ⋊ D11×D17
SylowC17 ⋊ D5×D55
SylowC11 ⋊ (C5⋊D5)⋊D17

Subgroups

subgroupG/H
center, Frattini, hypercenterC1G
commutator, Fitting, socle, cosocle, hypocenterC52×C11×C17C22
LCSG ▷ C52×C11×C17
UCSC1

96 conjugacy classes of subgroups.

Full subgroup data →

Presentation

transitive degreeμt(G) = 1870

Polycyclic presentation:

2^2,5^2,11,17|c^a=c^4,f^a=f^16,c^b=c^4,d^b=d^4,e^b=e^10

Conjugacy classes & character table

1228 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(18700, 150);