Base field \(\Q(\sqrt{-1}) \)
Generator \(i\), with minimal polynomial \( x^{2} + 1 \); class number \(1\).
Elliptic curves in class 21609.1-b over \(\Q(\sqrt{-1}) \)
Isogeny class 21609.1-b contains 2 curves linked by isogenies of degree 13.
| Curve label | Weierstrass Coefficients |
|---|---|
| 21609.1-b1 | \( \bigl[0\) , \( 1\) , \( 1\) , \( -44704\) , \( -3655907\bigr] \) |
| 21609.1-b2 | \( \bigl[0\) , \( -1\) , \( i\) , \( -114\) , \( -473\bigr] \) |
Rank
Rank: \( 0 \)Isogeny matrix
\(\left(\begin{array}{rr} 1 & 13 \\ 13 & 1 \end{array}\right)\)
Isogeny graph
