
Abelian Group and "Group" - Mathematics Stack Exchange
2 The adjective abelian typically only applies to groups. If a ring satisfies the commutativity condition, then we call the ring commutative (or noncommutative if it doesn't) rather than abelian or nonabelian. …
Why are groups "abelian" but rings "commutative"?
5 Actually, Abelian groups can also be called commutative groups, and in some places authors call commutative rings abelian rings (or algebras). These usages are comparatively low, although it's …
Are cyclic groups always abelian? - Mathematics Stack Exchange
Also, some exercises are at least a little relevant; most of the exercises are based on the relation between "abelian and "cyclic". However, if the community feels that this answer is inappropriate, then …
When will a group be Abelian? - Mathematics Stack Exchange
Sep 26, 2019 · (2) A group G is abelian iff G is isomorphic to an abelian group. (3) If G is a group and every element in G has order 1 then G is abelian. (4) If G is a group and every element in G has …
abstract algebra - What does it mean for a group to be Abelian ...
Jun 2, 2014 · I'm revising questions on groups for exams, and I still can't quite understand what an Abelian group is. Please help me understand, if anyone could give me a more simple explanation.
Prove that a group is abelian. - Mathematics Stack Exchange
What does it mean to be abelian. Once you write out the definition can you see how to show a group is abelian? How does this relate to the hypotheses in the problem?
abstract algebra - If $G/Z (G)$ is cyclic, then $G$ is abelian ...
abstract-algebra group-theory abelian-groups cyclic-groups Share Cite edited Apr 13, 2017 at 12:21
Why are abelian groups of interest? What is their usefulness?
Mar 7, 2021 · An Abelian group is just an arithmetic system where "addition" makes sense (and is commutative, associative, etc.). It is a common idea in math to take an object of interest and to study …
abstract algebra - Prove that every group of order $4$ is abelian ...
I think that we can take another way to prove this , which is , prove that any group of order less than $6$ is abelian , this was a theorem and its prove was given in a text called , selected topics in group …
abstract algebra - Prove, that group of order $p^2$ is abelian ...
Dec 4, 2016 · The only proof that I can think of contains essentially the same arguments as you would use in proving the two theorems you mention, so it more efficient to prove these theorems …