12. Catalan Agreement of Progress ( PSC , ERC , ICV and EUiA ) (16) - Convergence and Union (6) Represented in the Spanish Senate (22) Socialists' Party of Catalonia ( PSOE ) (25) - Convergence and Union (10) - Republican Left of Catalonia (3) - People's Party of Catalonia (6) - Initiative for Catalonia Greens - United and Alternative Left (2) Represented in the Spanish Congress of Deputies (47) Convergence and Union (48) - Socialists' Party of Catalonia (37) - Republican Left of Catalonia (21) - People's Party of Catalonia (14) - Initiative for Catalonia Greens (12) - Citizens – Party of the Citizenry (3) Represented in the Catalan regional Parliament (135)