You could form a remote study group with other students on your course, it is likely that you will be using MS Teams as part of your course, you can form your own study group on Teams to meet virtually.
Some courses will also have peer study sessions, where students from the years above you offer support on topics from your course.
Join academic societies through the Brighton Students' Union
The Brighton Students' Union website provides a number of social media links, societies and online events that could help your studies. Consider joining or even setting up an academic society for your subject discipline.