Base field \(\Q(\sqrt{2}) \)
Generator \(a\), with minimal polynomial \( x^{2} - 2 \); class number \(1\).
Elliptic curves in class 89.2-a over \(\Q(\sqrt{2}) \)
Isogeny class 89.2-a contains 2 curves linked by isogenies of degree 5.
| Curve label | Weierstrass Coefficients |
|---|---|
| 89.2-a1 | \( \bigl[0\) , \( 0\) , \( a + 1\) , \( -19 a - 11\) , \( -15 a - 70\bigr] \) |
| 89.2-a2 | \( \bigl[0\) , \( 0\) , \( a + 1\) , \( a - 1\) , \( -a\bigr] \) |
Rank
Rank: \( 0 \)Isogeny matrix
\(\left(\begin{array}{rr} 1 & 5 \\ 5 & 1 \end{array}\right)\)
Isogeny graph
