This is the 8191st most frequent Russian word.
лютеранском
The Russian word "лютеранском" means "Lutheran" (adjective, in the prepositional case).
The word 'лютеранском' is used here as an adjective describing the type of church, 'лютеранском храме' (Lutheran church).
Мы посетили музей в лютеранском храме.
We visited the museum in the Lutheran church.
The word 'лютеранском' here describes the nature of the university, indicating its affiliation to Lutheran traditions or origins.
Лекции по истории проводят в лютеранском университете.
Lectures on history are conducted at the Lutheran university.
In this sentence, 'лютеранском' describes the community ('сообществе'), associating it with Lutheranism.