Is it permissible to recite tasbih or remember Allah during the khutbah?

Hazrat Muslim bin Yasar’s practice was that during the sermon, he would neither recite tasbih nor make supplications.

Hazrat Maymoon considered it undesirable to speak during the Friday sermon. He says that a person should engage in the remembrance of Allah.

Hazrat Tawus says that when the Imam begins to speak on Friday, then no one else can speak, however, recitation of the Qur'an is permitted.

Ibrahim said to Hazrat Alqama that I recite the Qur'an in my heart during the sermon; what is the ruling on this? He replied that in my view, there is no harm in it.

Hasan did not see any harm in a person remembering Allah in his heart during the Friday sermon.

Ibn Aun says that I asked Muhammad, if a person is so far from the imam that he cannot hear the imam's voice, can he recite into the ear of the person sitting next to him? He replied that I do not see any harm in a person remembering Allah during that time.