What is this hour (for attending the prayer)? He said: I was busy today and I did not return to my house when I heard the call (to Friday prayer), and I did no more but performed ablution only. Upon this Umar said: just ablution! You know that the Messenger of Allah (ﷺ) commanded (us) to take a bath (on Friday).
Sahih Muslim Book 7, Hadith 5
← Previous Hadith 'Abdullah (b. Umar) reported on the authority of his father that he heard like this from the Messenger of Allah (ﷺ).

Sahih Muslim Book 7, Hadith 4 Next Hadith → Umar b. Khattab was delivering a sermon to the people on Friday when 'Uthman b. 'Affan came there. 'Umar hinting to him said: What would become of those persons who come after the call to prayer? Upon this 'Uthman said: Commander of the faithful, I did no more than this that after listening to the call, I performed ablution and came (to the mosque). 'Umar said: Just ablution! Did you not hear the Messenger of Allah (my peace be upon him) say this: When any one of you comes for Jumu'a, he should take a bath.

Sahih Muslim Book 7, Hadith 6