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Interactive Explainer

The Galois correspondence, used on one example

Rings and FieldsComplex Analysis, Algebra & Topology

A degree-4 extension, its group, and the subfield lattice read straight off the subgroup lattice.

The Galois correspondence, used on one exampleinteractive

This visual is part of Trap Analysis

A degree-4 extension, its group, and the subfield lattice read straight off the subgroup lattice.

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