It wasnarrated that Abu Hurairah said:
"The Prophet (ﷺ) used toteachus not to bow or prostrate before the Imam; when he says theTakbirthen say the Takbir, and when he prostrates, you shouldprostrate." (FR)
English reference (FR): Vol. 1, Book 5, Hadith 960 (FR)
Arabic reference (FR): Book 5, Hadith 1013 (FR)