NET

3 The Son is the radiance of his glory and the representation of his essence, and he sustains all things by his powerful word, and so when he had accomplished cleansing for sins, he sat down at the right hand of the Majesty on high.

Darby

3 who being [the] effulgence of his glory and [the] expression of his substance, and upholding all things by the word of his power, having made [by himself] the purification of sins, set himself down on the right hand of the greatness on high,

KJV

3 Who being the brightness of [his] glory, and the express image of his person, and upholding all things by the word of his power, when he had by himself purged our sins, sat down on the right hand of the Majesty on high;