Base field \(\Q(\sqrt{-7}) \)
Generator \(a\), with minimal polynomial \( x^{2} - x + 2 \); class number \(1\).
Elliptic curves in class 28672.9-b over \(\Q(\sqrt{-7}) \)
Isogeny class 28672.9-b contains 2 curves linked by isogenies of degree 2.
Curve label | Weierstrass Coefficients |
---|---|
28672.9-b1 | \( \bigl[0\) , \( a - 1\) , \( 0\) , \( -3 a - 11\) , \( 2 a + 18\bigr] \) |
28672.9-b2 | \( \bigl[0\) , \( a\) , \( 0\) , \( -3\) , \( 3 a + 2\bigr] \) |
Rank
Rank: \( 0 \)Isogeny matrix
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)