Base field \(\Q(\zeta_{7})^+\)
Generator \(a\), with minimal polynomial \( x^{3} - x^{2} - 2 x + 1 \); class number \(1\).
Elliptic curves in class 104.2-b over \(\Q(\zeta_{7})^+\)
Isogeny class 104.2-b contains 3 curves linked by isogenies of degrees dividing 9.
Rank
Rank: \( 0 \)Isogeny matrix
\(\left(\begin{array}{rrr} 1 & 9 & 3 \\ 9 & 1 & 3 \\ 3 & 3 & 1 \end{array}\right)\)