Abstract Algebra: Theory and Applications · Problem 22.4.1

Galois Theory — Thomas Judson

Mathematics — Abstract Algebra · finite-fields-degree-extensions

Problem

Calculate each of the following. (a) [GF(36):GF(33)][\mathrm{GF}(3^6) : \mathrm{GF}(3^3)] (b) [GF(128):GF(16)][\mathrm{GF}(128) : \mathrm{GF}(16)] (c) [GF(625):GF(25)][\mathrm{GF}(625) : \mathrm{GF}(25)] (d) [GF(p12):GF(p2)][\mathrm{GF}(p^{12}) : \mathrm{GF}(p^2)] Hint. Make sure that you have a field extension.

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