Table 2.

σ_v,h character table and selected portion of C_2v character table.

Classes → IR ↓	σh	σv	Basis functions
A1	+1	+1	$x^2,y^2,xy$
B1	−1	+1	$x,x{y}^2$
Classes → IR ↓	E	σv,h	Basis functions
A	+1	+1	$x^2,y^2,xy$
B	+1	−1	$x,y,x^{2}y,x{y}^2$