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Top Questions
11
votes
Non-Abelian groups and subgroups
abstract-algebra
group-theory
abelian-groups
asked Jan 22, 2013 at 18:28
math.stackexchange.com
5
votes
Is $\{-2,2\}$ a group under $a\star b=\max\{a,b\}$?
homework
group-theory
finite-groups
definition
monoid
asked Dec 26, 2012 at 18:58
math.stackexchange.com
5
votes
Why multiplicative group $\mathbb{Z}_n^*$ is not cyclic for $n = 2^k$ and $k \ge 3$
group-theory
elementary-number-theory
finite-groups
p-adic-number-theory
asked Apr 4, 2013 at 15:04
math.stackexchange.com
Top Answers
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