quantax.symmetry.C4v# quantax.symmetry.C4v(center: Sequence[float] | None = None, repr: str = 'A1') → Symmetry# C4v symmetry group. Parameters: center ā The center of the symmetry operation. repr ā The representation of the group, chosen among āA1ā, āA2ā, āB1ā, āB2ā or āEā.