Base field \(\Q(\sqrt{-2}) \)
Generator \(a\), with minimal polynomial \( x^{2} + 2 \); class number \(1\).
Elliptic curves in class 20808.5-c over \(\Q(\sqrt{-2}) \)
Isogeny class 20808.5-c contains 2 curves linked by isogenies of degree 2.
| Curve label | Weierstrass Coefficients |
|---|---|
| 20808.5-c1 | \( \bigl[a\) , \( 1\) , \( a\) , \( -16 a + 15\) , \( 59\bigr] \) |
| 20808.5-c2 | \( \bigl[a\) , \( 1\) , \( a\) , \( 14 a + 55\) , \( -142 a + 187\bigr] \) |
Rank
Rank: \( 0 \)Isogeny matrix
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)
Isogeny graph
