Data

Non-trivial elements in K3 of imaginary quadratic fields

Voronoi tessellation data used for computations of K4 of imaginary quadratic fields

• Data for GL4(Z[sqrt(-3)])

• Data for GL4(Z[sqrt(-1)])

Cubic field of discriminant −23 elliptic curves: More complete data can now be found at the L-functions and modular forms database ( LMFDB)

Bianchi torsion data

Steinberg homology, modular forms, and real quadratic fields

Cohomology of congruence subgroups of SL3(ℤ), Steinberg modules, and real quadratic fields

Random modular symbols