9 And [Pilate] went again into the Praetorium, and said to Jesus, "Where are You from?" But Jesus gave him no answer.
10 Then Pilate said to Him, "Are You not speaking to me? Do You not know that I have power to crucify You, and power to release You?"
11 Jesus answered, "You could have no power at all against Me unless it had been given you from above. Therefore the one who delivered Me to you has the greater sin."
Pilate (v. 9) may have been genuinely wondering if Christ as "a" god. If Jesus had answered, perhaps Pilate would have believed Him and stopped the crucifixion, which had been ordained by God.
Jesus gave him no answer (v. 9) — perhaps in fulfillment of Isaiah 53:7.
Pilate had no right to ask Jesus further questions because he had already proclaimed Him innocent.
Do You not know (v. 10) — An arrogant claim in which Pilate puts himself above the law which had already found Jesus not guilty.
no power at all (v. 11) — Jesus affirms that government (Pilate) does have some power given by God (Romans 13:1).
The Jews' guilt (v. 11), especially Caiaphas', was greater because they knew, by Christ's miracles and the Scriptures, who He was. Pilate was an ignorant pagan.