Top network posts

• 30 Number of isomorphism types of finite groups
• 28 Groups that do not exist
• 25 Where are the second- (and third-)generation proofs of the classification of finite simple groups up to?
• 21 2x2 subdeterminants of a matrix
• 20 Does Zhang's theorem generalize to $3$ or more primes in an interval of fixed length?
• 19 What did Frobenius prove about $M_{12}$?
• 17 What's the big deal about $M_{13}$?
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