God exalted Jesus to his right hand above other heavenly authorities and powers.
To be at someone’s right hand is NOT a position of equal authority.
Colossians 1:15-20 poetically describes how God initiated a new created order in, through, and for Christ who is the firstborn, the beginning, and the head of all things in new creation.
As the Almighty is the alpha and omega of all creation, Christ is the alpha and omega of the new creation.
In his priestly service Christ sympathizes with us because he was tempted in every respect as we are and could have sinned, but didn’t.