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

M=R_{j}^{T}R_{j}= R_{j}
R_{j}^{T}=56 I

where I is the 56×56 identity matrix.

Notes:

- Maximal matrix first reported by Scarpis [Sc1].
- A maximal matrix can also be constructed by methods of Paley [P].
- N. J. A. Sloane's Library of Hadamard matrices has two Hadamard matrices of order 56.
- The list is presumably not complete.

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Page created 20 March 2002.

Last modified 7 October 2012.

Comments: maxdet@indiana.edu