Things which are Makrooh in congregational prayers
1497. If there is vacant space in the rows of the congregation, it is Makrooh for a person to stand alone.
1498. It is Makrooh for the follower to recite the Zikr in the prayers in such a way that Imam hears them.
1499. It is Makrooh for a traveller, who offers Zuhr, Asr and Isha prayers in shortened form (two Rak'ats), to follow a person who is not a traveller. And it is Makrooh for a person who is not a traveller to follow a traveller in those prayers.