The Sufficient (Vol 3) · Hadith 1644 (#Ḥadīth #4)
Chapter 68 | Obligation of Friday Salah (prayer)
4ـ عَلِيٌّ عَنْ أَبِيهِ عَنِ ابْنِ أَبِي عُمَيْرٍ عَنِ ابْنِ أُذَيْنَةَ عَنْ زُرَارَةَ قَالَ كَانَ أَبُو جَعْفَرٍ (عَلَيْهِ الْسَّلام) يَقُولُ لاَ تَكُونُ الْخُطْبَةُ وَالْجُمُعَةُ وَصَلاَةُ رَكْعَتَيْنِ عَلَى أَقَلَّ مِنْ خَمْسَةِ رَهْطٍ الإِمَامِ وَأَرْبَعَةٍ.
4. Ali has narrated from his father from Ibn Abi ‘Umayr from ibn ’Udhaynah from Zurarah who has said the following: “Abu Ja‘far , has said, ‘The sermons and Friday Salah (prayer) are not valid without the presence of five people, the fifth of whom is the Imam.’”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).