A normalized QPP-interleaved Zadoff-Chu sequence of length N is equivalent to a Zadoff-Chu sequence under the five CAZAC-preserving operations if and only if the p-adic valuation of a meets explicit lower bounds for each prime power dividing N.
On maximum contention-free interleavers and permutation polynomials over integer rings
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A Local Valuation Criterion for Quadratic-Permutation Interleaved Zadoff--Chu Sequences
A normalized QPP-interleaved Zadoff-Chu sequence of length N is equivalent to a Zadoff-Chu sequence under the five CAZAC-preserving operations if and only if the p-adic valuation of a meets explicit lower bounds for each prime power dividing N.