Before revision: || ||R ||C4R||C43R||C2R||2C'2R||2C''2R|-!A1||1||1||1||1||1||1||1|1|-!A'''2||1||1||1||1||1||1|-1||-1|-!B1||1||1||-1||-1||1||1||-1|-!B2||1||1||-1||-1||1||-1||1|-!E1||2||-2||0||0||-2||0||0|-!E2||2||-2||√2||-√2||0||0||0|-!E3||2 ||-2 ||-√2||√2 ||0 ||0 ||0 |} The symmetry operations such as C4 and C4R belong to the same class but the column header is shown, for convenience, in two rows, rather than C4, C4R in a single row .
After revision: </div>|| ||R ||C4R||C43R||C2R||2C'2R||2C''2R|-!A1||1||1||1||1||1||1||1|1|-!A'''2||1||1||1||1||1||1|-1||-1|-!B1||1||1||-1||-1||1||1||-1|-!B2||1||1||-1||-1||1||-1||1|-!E1||2||-2||0||0||-2||0||0|-!E2||2||-2||√2||-√2||0||0||0|-!E3||2 ||-2 ||-√2||√2 ||0 ||0 ||0 |} The symmetry operations such as C4 and C4R belong to the same class but the column header is shown, for convenience, in two rows, rather than C4, C4R in a single row .