Prayer: Can Friday prayer be performed individually beside the congregation?

Practical Laws of Islam as per the teachings of Imam Khamenei

Prayer: Can Friday prayer be performed individually beside the congregation?

English:

Question #622:

Could one perform Friday prayer, which is held in congregation, individually by performing it side by side with those who are performing it in congregation?

Answer #622:

One of the requirements of Friday prayer is that it should be performed in congregation. Therefore, Friday prayers will not be valid if said individually.

-Imam Khamenei, Practical Laws of Islam, Importance and Conditions of Prayer