HermiteDecomposition

HermiteDecomposition[m] gives the Hermite normal form decomposition of an integer matrix m.

Examples

HermiteDecomposition[{{1, 2}, {3, 4}}]

HermiteDecomposition[{{2, 4, 6}, {1, 3, 5}, {0, 2, 4}}]

Please visit the official Wolfram Language Reference for more details.