Base field \(\Q(\sqrt{21}) \)
Generator \(a\), with minimal polynomial \( x^{2} - x - 5 \); class number \(1\).
Elliptic curves in class 448.1-h over \(\Q(\sqrt{21}) \)
Isogeny class 448.1-h contains 2 curves linked by isogenies of degree 2.
Curve label | Weierstrass Coefficients |
---|---|
448.1-h1 | \( \bigl[0\) , \( -1\) , \( 0\) , \( 0\) , \( -4\bigr] \) |
448.1-h2 | \( \bigl[0\) , \( -1\) , \( 0\) , \( -40\) , \( -84\bigr] \) |
Rank
Rank: \( 0 \)Isogeny matrix
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)