Base field \(\Q(\zeta_{7})^+\)
Generator \(a\), with minimal polynomial \( x^{3} - x^{2} - 2 x + 1 \); class number \(1\).
Elliptic curves in class 181.3-a over \(\Q(\zeta_{7})^+\)
Isogeny class 181.3-a contains 2 curves linked by isogenies of degree 5.
Rank
Rank: \( 0 \)Isogeny matrix
\(\left(\begin{array}{rr} 1 & 5 \\ 5 & 1 \end{array}\right)\)