Induced Representation Method in the Theory of Electron Structure and Superconductivity

Table 3

Characters for singlet and triplet pairs on symmetry planes in a BZ of the space group with point group (top part) and characters of IR of on these two types of planes (bottom part).

Type of function						IRs of
Singlet	Spatial part	1	1	1	1
Triplet	Spatial part	1	1	-1	-1
Triplet	OSP	1	1	-1	-1
Triplet	ESP	2	-2	-2	2
Triplet	OSP	1	-1	-1	1
Triplet	ESP	2	0	-2	0
IR of
		2	2	2	2
		2	2	-2	-2
		2	0	2	0
		2	0	-2	0

(a) Basal plane
(b) Vertical coordinate plane and vertical diagonal plane .