Extensions of the Field of Rational Numbers Whose Galois Group IS Isomorphic To A Group of Order Eight

dc.contributor.author	Kimathi, Stephen Murithi
dc.date.accessioned	2019-03-20T09:28:10Z
dc.date.available	2019-03-20T09:28:10Z
dc.date.issued	2018-11
dc.description	A Project Submitted to in Partial Fulfillment of the Requirements for the Award of the Degree of Master of Science in Pure Mathematics in the School of Pure and Applied Sciences of Kenyatta University	en_US
dc.description.abstract	The Galois group of a certain type of field extension is a specific group associated with the field extension. The study of field extensions and their relationship to the polynomials that give rise to them via the Galois groups came to be called Galois Theory in honor of Everiste Galois who first discovered them in 1830. In this project we find the extensions of ¤ whose Galois group is isomorphic toC2 C2 C2 , 4 D , 4 2 C C and the quaternion group 8 Q . In each case we identify the extension, then work out the subgroups of the Galois group and draw the lattice structure for the subgroups. Also in each case, we work out by computation the fixed subfields of the extension corresponding to the subgroups of the Galois group and draw their lattice structure.	en_US
dc.description.sponsorship	Kenyatta University	en_US
dc.identifier.uri	http://ir-library.ku.ac.ke/handle/123456789/19175
dc.language.iso	en	en_US
dc.publisher	Kenyatta University	en_US
dc.title	Extensions of the Field of Rational Numbers Whose Galois Group IS Isomorphic To A Group of Order Eight	en_US
dc.type	Thesis	en_US

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