Base field 4.4.16317.1
Generator \(a\), with minimal polynomial \( x^{4} - 2 x^{3} - 4 x^{2} + 5 x + 1 \); class number \(1\).
Elliptic curves in class 25.1-c over 4.4.16317.1
Isogeny class 25.1-c contains 2 curves linked by isogenies of degree 2.
Rank
Rank \(r\) satisfies \(0 \le r \le 1\)Isogeny matrix
\(\left(\begin{array}{rr} 1 & 2 \\ 2 & 1 \end{array}\right)\)