Grok on :the Arian emperor?

Yes, Constantine the Great's son, Constantius II, was a supporter of Arianism, a theological position that differed from Nicene Christianity. Arianism, based on the teachings of Arius, held that Jesus Christ was distinct from and subordinate to God the Father, rather than being co-equal and consubstantial as defined by the Nicene Creed.Constantius II (reigned 337–361 CE) actively promoted Arian or semi-Arian doctrines during his rule, favoring bishops and policies aligned with Arianism over those adhering to the Nicene orthodoxy established at the Council of Nicaea (325 CE), which his father Constantine had supported. This stance led to tensions with Nicene Christians and influenced ecclesiastical appointments and councils during his reign, such as the Synod of Antioch (341 CE) and the Council of Serdica (343 CE), where Arian-leaning positions were often favored.

However, it’s worth noting that Constantine’s other sons, Constantine II and Constans, leaned more toward Nicene Christianity, though their reigns were shorter and less impactful on this issue. Constantius II’s support for Arianism was the most pronounced among Constantine’s heirs.If you want more details on specific events or sources, let me know!