128. Why is the Resurrection at the same time a transcendent occurrence?

While being an historical event, verifiable and attested by signs and testimonies, the Resurrection, insofar as it is the entrance of Christ's humanity into the glory of God, transcends and surpasses history as a mystery of faith. For this reason the risen Christ did not manifest himself to the world but to his disciples, making them his witnesses to the people.

Further reading: CCC 647, 656-657


129. What is the condition of the risen body of Jesus?

The Resurrection of Christ was not a return to earthly life. His risen body is that which was crucified and bears the marks of his passion. However it also participates in the divine life, with the characteristics of a glorified body. Because of this the risen Jesus was utterly free to appear to his disciples how and where he wished and under various aspects.
      
Further reading: CCC 645-646

130. How is the Resurrection the work of the Most Holy Trinity?

The Resurrection of Christ is a transcendent work of God. The three Persons act together according to what is proper to them: the Father manifests his power; the Son "takes again" the life which he freely offered (John 10:17), reuniting his soul and his body which the Spirit bring to life and glorifies.
      
Further reading: CCC 648-650