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Abstract for MSRI Preprint 2003-011

Galois embedding problems with cyclic quotient of order $p$

Jan Minac and John Swallow

Let $K$ be a cyclic Galois extension of degree $p$ over a field $F$ containing a primitive $p$th root of unity. We consider Galois embedding problems involving Galois groups with common quotient ${\rm Gal}(K/F)$ such that corresponding normal subgroups are indecomposable ${{\mathbb F}_p}[{\rm Gal}(K/F)]$-modules. For these embedding problems we prove conditions on solvability, formulas for explicit construction, and results on automatic realizability.