ZeroSymmetric
ZeroSymmetric[{s1, ..., sn}] represents the symmetry of a zero tensor in the slots si.
Examples
ZeroSymmetric[{1, 2}]TensorSymmetry[SymmetrizedArray[{}, {3, 3}, ZeroSymmetric[{1, 2}]]]Please visit the official Wolfram Language Reference for more details.