Article ID Journal Published Year Pages File Type
4584755 Journal of Algebra 2014 42 Pages PDF
Abstract
In this paper we use the Galois module structure for the classical parameterizing spaces for elementary p-abelian extensions of a field K to give necessary and sufficient conditions for the solvability of any embedding problem which is an extension of Z/pnZ with elementary p-abelian kernel. This allows us to count the total number of solutions to a given embedding problem when the appropriate modules are finite, and leads to some nontrivial automatic realization and realization multiplicity results for Galois groups.
Related Topics
Physical Sciences and Engineering Mathematics Algebra and Number Theory
Authors
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