With reference to the Talagirishwara temple which was recently in the news, consider the following statements:

1. The Talagirishwara temple is known for its Pallava murals.

2. It is part of the Group of Monuments at Mahabalipuram.

3. It is the only temple in south India that depicts the Nagara style of temple architecture.

How many of the statements given above are correct?