Mathematics · Fall 2026
SDSU MATH 620 — Groups, Rings, and Fields
Group theory to include finite Abelian groups, isomorphism theorems, matrix groups, and permutation groups. Ring theory to include ideals, principal ideal domains, and unique factorization. Field theory to include field extensions and finite fields.
Course requirements
Prerequisites: MATH 320 and either MATH 520 or MATH 522 or MATH 525 with a grade of C (2.0) or better in each course.
- MATH 320 and either MATH 520 or MATH 522 or MATH 525 with a grade of C (2.0) or better in each course.
Fall 2026 enrollment options
Seat status can change| Class # | Format | Status | Seats | Time | Location | Professor | RateMyProfessors |
|---|---|---|---|---|---|---|---|
| 9905 Lrg Lect | In person | Open | 13 / 39 | Tue/Thu 4:00 PM–5:15 PM | GMCS 405 | Michael O'sullivan | 3.8/5 · 33 reviews Difficulty 3.7 · 75% take again |