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2
votes
0
answers
49
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Conductor of hyperelliptic curve after base change
Let $r\geq 5$ be a prime, and let $\zeta$ denote a primitive
$r$-th root of unity. Let $C$ be a hyperelliptic curve defined over $\mathbb{Q}$.
Suppose I have computed the conductor exponent $n$ of $C/ …
2
votes
0
answers
54
views
Conductor of hyperelliptic curve after adding a rational root
Let $r\geq 5$ be a prime. Suppose I have a specified hyperelliptic curve $C: y^2=f(x)$ defined over $\mathbb{Q}$, where $f\in\mathbb{Q}[x]$ has degree $r$.
Note: the roots of $f$ are not rational but …
4
votes
1
answer
252
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Finding the $K=\mathbb{Q}(\sqrt{6})$-rational points on the twist of $X_{0}(26)$
Let $K=\mathbb{Q}(\sqrt{6})$. I am looking to determine all $K$-rational points on the curve
$$C: y^{2}=3x^6-24x^5+24x^4-54x^3+24x^2-24x+3.$$
More precisely, $C$ is a twist of the modular curve $X_{0} …