Mathematics
Undergraduate
教えて頂きたいです
f =4-10m2+1のQ上のガロア群 Gal(f) の乗積表を書け。ただし、Gal(f)={id,α,B,x} は、
a(√2) = √2,
a(√3)= -√3,
a(√3)= √3,
a(√2) = -√2,
(√2)=-v2.
Y(√3)= -√3
で定まるものとする。
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