Ratio of |Det R_{j}| to Hadamard bound: 1

M=R_{j}^{T}R_{j}= R_{j}
R_{j}^{T}=80 I

where I is the 80×80 identity matrix.

Notes:

- Maximal matrix first reported by Hadamard [Had].
- N. J. A. Sloane's Library of Hadamard matrices has a Hadamard matrix of order 80.
- The list is presumably not complete.

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Page created 26 January 2003.

Last modified 26 January 2003.

Comments: maxdet@indiana.edu