how to check the element is field element

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santoshi
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p=(3^151) F1.<x>=GF(3)[] F.<a>=GF(3^151,'a',modulus=x^151+2*x^2+1); A=1 B1=(0x1fc4865afe00a9216b0b5fd32c6300c4bed0707ae4072a03e55299f157b);B1 B=F(B1.digits(3));B D=F(B).field_element();D

how to check the element B is Field element, the command which i have written gave me attribute error.

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answered 5 years ago

rburing

10964 ●4 ●80 ●219 https://www.rburing.nl/

What do you want to check? B in F is true by definition of B. You can do B in F.prime_subfield() to check if B is in $GF(3)$ . This is the same as checking B1 < 3, which is seen to be False here.

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