• linux-64 v3.9.1
• osx-64 v3.9.1
• osx-arm64 v3.9.1
• win-64 v3.9.1
• linux-ppc64le v3.9.1
• linux-aarch64 v3.9.1

conda install

To install this package run one of the following:
conda install conda-forge::arpack
conda install conda-forge/label/broken::arpack
conda install conda-forge/label/cf201901::arpack
conda install conda-forge/label/cf202003::arpack
conda install conda-forge/label/gcc7::arpack

---