Base field \(\Q(\sqrt{10}) \)
Generator \(a\), with minimal polynomial \( x^{2} - 10 \); class number \(2\).
Elliptic curves in class 256.1-a over \(\Q(\sqrt{10}) \)
Isogeny class 256.1-a contains 2 curves linked by isogenies of degree 2.
Curve label | Weierstrass Coefficients |
---|---|
256.1-a1 | \( \bigl[0\) , \( -1\) , \( 0\) , \( 1\) , \( -1\bigr] \) |
256.1-a2 | \( \bigl[0\) , \( -1\) , \( 0\) , \( -9\) , \( -7\bigr] \) |
Rank
Rank: \( 1 \)Isogeny matrix
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)