Google unambiguously opposes SOPA. They have been one of the leaders in rallying opposition. Following is their testimony to the house judiciary committee (Lamar Smith is the chairman)
http://www.scribd.com/doc/73002393/Google-SOPA-Oral-Testimon... http://judiciary.house.gov/hearings/pdf/Oyama%2011162011.pdf
The idea that Google is supporting SOPA is nonsense.