def cpc(self):
        """
        :class:`~zhmcclient.Cpc`: The :term:`CPC` to which this storage group
        is associated.

        The returned :class:`~zhmcclient.Cpc` has only a minimal set of
        properties populated.
        """
        # We do here some lazy loading.
        if not self._cpc:
            cpc_uri = self.get_property('cpc-uri')
            cpc_mgr = self.manager.console.manager.client.cpcs
            self._cpc = cpc_mgr.resource_object(cpc_uri)
        return self._cpc