課程名稱︰代數導論二
課程性質︰必修
課程教師︰莊武諺
開課學院:理學院
開課系所︰數學系
考試日期(年月日)︰2014/05/29
考試時限(分鐘):30分鐘
試題 :
代數導論第六次小考
INTRODUCTION TO ALGEBRA II - QUIZ VI
MAY 29 2014
(1) (20 points) Please compute the Galois group of the separable polynomial
f(x) = (x^2-5)(x^2-7)(x^2-11)∈Q[x]. You could assume the Fundamental
Theorem for finitely generated Ablian Groups.
(2) (30 points) Show that Q([2 + (2^1/2)]^1/2)/Q is Galios with Galios group
Z/Z_4.
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※ 編輯: Malzahar (118.166.208.40), 02/11/2015 17:47:05