Sphere-packings, lattices, and groups
Sphere-packings, lattices, and groups
Applications of coding theory to the construction of modular lattices
Journal of Combinatorial Theory Series A
Un lattices, construction B, and AGM iterations
European Journal of Combinatorics
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The Shrikhande graph is classically described in terms of a Galois ring of order 16 viewed as the Eisenstein integers modulo 4. Codes over that ring (but for a different weight) give rise to Eisenstein lattices, the theta series of which is expressed as a polynomial into three special theta series. As a special case the theta series of a lattice obtained by the complex Construction B from quaternary codes is derived.