where is bank 2 sensor 1 for is350 lexus? driver side or passenger side? on 2006 Lexus IS350

Lexus Is 350 is showing code p0051 o2 sensor (bank 2 sensor 1). Which side 02 sensor passenger or driver side.

2 answers
Bank 2 is the driver's side and sensor 1 is in the exhaust manifold before the cat. It is the same for the IS250.
bank 2 is the drivers side