, while Z is the integers (I believe the action should be '+' for it to be a group, otherwise, for instance in multiplication, (0,0) has no inverse element).
How do I generally check whether it's a cyclic group? It has 150 elements
, while Z is the integers (I believe the action should be '+' for it to be a group, otherwise, for instance in multiplication, (0,0) has no inverse element).
How do I generally check whether it's a cyclic group? It has 150 elements
Thanks
You need to find a generator. However, this group is NOT a cyclic group.
Assume generates your group. Then for all (why?). However, take ...
Something to think about: Why does this work? Why the number 30?