Support material for
The main paper is
On this page you will find:
a python program
used to find complete lists of equivalence classes of complex Hadamard matrices
of rank n based on a l-th root of unity, for n and l
a pdf file containing the lists of circulant complex
Hadamard matrices appearing in Table 1 of the paper.
a pdf file containing a description of the algorithm
used in the python program above, and of the all the functions used in this program.
Small circulant complex Hadamard matrices of Butson type
by GAURUSH HIRANANDANI AND JEAN-MARC SCHLENKER