- #1

porroadventum

- 34

- 0

## Homework Statement

Describe all the subgroups of Z/9Z. How many are there? Describe all the subgroups of Z/3ZxZ/3Z. How many are there?

## The Attempt at a Solution

I don't even know where to start with this question. If someone could just point me in the right direction that would be great.

Thank you.