Top network posts

• 18 Elementary approach to proving that a group of order 9 is Abelian
• 14 History of the terms "prime" and "irreducible" in Ring Theory.
• 14 Finite Subgroups of $GL_2(\mathbb Q)$
• 13 Is there a way to write $2^3+2^2+2^1+2^0$ in short form or a better way?
• 10 Do we really need Choice to pick socks?
• 10 Can only find 2 of the 4 groups of order 2014?
• 10 For which $n$ is it "feasible" to classify groups of order $n$?
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