Final answer:
The Byzantine Emperor had power to appoint, dismiss, and influence the patriarch of Constantinople, while the patriarch had influence over religious matters.
Step-by-step explanation:
The Byzantine Emperor had significant power over the Patriarch of Constantinople. The emperor held the authority to appoint, dismiss, and even influence the decisions of the patriarch. Additionally, the emperor was responsible for the political and administrative affairs of the empire, while the patriarch had more influence on religious matters.
One example of the emperor's power over the patriarch was demonstrated through the ceremonial crowning of the emperor by the patriarch in the Hagia Sophia cathedral. This act symbolized the emperor's authority over both the state and the church.
Overall, the Byzantine Emperor had a strong grip on the patriarch, exerting control through appointments, dismissals, and influence over religious ceremonies.