Commutativity Degrees of Wreath Products of Finite Abellian Groups
Igor V. Erovenko
Abstract
Open-access reader
Igor V. Erovenko
Abstract
Open-access reader
We compute commutativity degrees of wreath products AoB of finite abelian groups A and B. When B is fixed of order n the asymptotic commutativity degree of such wreath products is 1=n2. This answers a generalized version of a question posed by P. Lescot. As byproducts of our formula we compute the number of conjugacy classes in such wreath products, and obtain an interesting elementary number-theoretic result.
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We compute commutativity degrees of wreath products AoB of finite abelian groups A and B. When B is fixed of order n the asymptotic commutativity degree of such wreath products is 1=n2. This answers a generalized version of a question posed by P. Lescot. As byproducts of our formula we compute the number of conjugacy classes in such wreath products, and obtain an interesting elementary number-theoretic result.
Key concepts: Wreath product, Mathematics, Conjugacy class, Commutative property, Abelian group, Pure mathematics, Finite group, Group (periodic table)