Dataset Open Access

Dataset for Quaternary Complex Hadamard Matrices of Order 18

Östergård, Patric R J; Paavola, William T

The files contain the quaternary complex Hadamard matrices of order 18 classified in the work "Patric R. J. Östergård and William T. Paavola, Quaternary Complex Hadamard Matrices of Order 18".

Each file bh18-tn.txt contains the matrices of type n up to Hadamard equivalence. Each matrix is expressed as a human-readable 18 by 18 array of x∈{0,1,2,3} such that the corresponding elements of each matrix are given by raising the imaginary unit to the power of x. Each array is followed by a single row that contains the size of the stabilizer of the matrix.

Files (672.7 MB)
Name Size
bh18-t1.txt
md5:5919b9b837c5f81211112e6da8f489aa
293.4 MB Download
bh18-t2.txt
md5:ab5edb1fe3e9fd3d3fce85ebc6836fa9
379.3 MB Download
bh18-t3.txt
md5:5abe010b447596415293636c07c71e98
35.5 kB Download
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