I see. As many of you said that an introductory course in group theory is insufficient to understand lie groups and does not deal with the same type of groups, I think I can afford to postpone it to some other time. Instead, I might just read a little bit of group theory aimed towards physics...
I know that studying QFT requires understanding Lie Groups and infinitesimal generators as they correspond to symmetry transformations. I want to study or take a course (offered by my university) in QFT in the coming academic year and I have the option to take a abstract algebra course offered...