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Computing a set of coset representatives for $\mathbb{Z}^n / \Lambda$

Let $\Lambda$ be an $n$ dimensional sublattice of the integer lattice $\mathbb{Z}^n$. The quotient $\mathbb{Z}^n/\Lambda$ has order $\det{\Lambda}$.

What is the best/standard way to compute a set of coset representatives for this quotient?