Catechism of the Catholic Church §648 — excerpt
Christ's Resurrection is an object of faith in that it is a transcendent intervention of God himself in creation and history. In it the three divine persons act together as one, and manifest their own proper characteristics.
This translation is under copyright, so only the cited words are quoted here. Follow the link for the full text. Translation: English translation of the Catechism of the Catholic Church, 2nd ed. (Libreria Editrice Vaticana), as posted at vatican.va.
Also cites: Rom I 3-4