Base field \(\Q(\sqrt{2}) \)
Generator \(a\), with minimal polynomial \( x^{2} - 2 \); class number \(1\).
Elliptic curves in class 47.1-a over \(\Q(\sqrt{2}) \)
Isogeny class 47.1-a contains 2 curves linked by isogenies of degree 2.
| Curve label | Weierstrass Coefficients |
|---|---|
| 47.1-a1 | \( \bigl[a + 1\) , \( 0\) , \( 1\) , \( -2\) , \( -18 a - 27\bigr] \) |
| 47.1-a2 | \( \bigl[1\) , \( 0\) , \( a + 1\) , \( a - 3\) , \( a - 3\bigr] \) |
Rank
Rank: \( 0 \)Isogeny matrix
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
