Elliptic curve isogeny class 14.1-j over number field \(\Q(\sqrt{42}) \)

• Base field: \(\Q(\sqrt{42}) \)
• Label: 2.2.168.1-14.1-j
• Conductor: 14.1
• Rank: \( 1 \)

Base field \(\Q(\sqrt{42}) \)

Generator \(a\), with minimal polynomial \( x^{2} - 42 \); class number \(2\).

Elliptic curves in class 14.1-j over \(\Q(\sqrt{42}) \)

Isogeny class 14.1-j contains 6 curves linked by isogenies of degrees dividing 18.

Curve label	Weierstrass Coefficients
14.1-j1	\( \bigl[1\) , \( 0\) , \( 1\) , \( -171\) , \( -874\bigr] \)
14.1-j2	\( \bigl[1\) , \( 0\) , \( 1\) , \( -1\) , \( 0\bigr] \)
14.1-j3	\( \bigl[1\) , \( 0\) , \( 1\) , \( 4\) , \( -6\bigr] \)
14.1-j4	\( \bigl[1\) , \( 0\) , \( 1\) , \( -36\) , \( -70\bigr] \)
14.1-j5	\( \bigl[1\) , \( 0\) , \( 1\) , \( -11\) , \( 12\bigr] \)
14.1-j6	\( \bigl[1\) , \( 0\) , \( 1\) , \( -2731\) , \( -55146\bigr] \)

Rank

Rank: \( 1 \)

Isogeny matrix

\(\left(\begin{array}{rrrrrr} 1 & 9 & 3 & 6 & 18 & 2 \\ 9 & 1 & 3 & 6 & 2 & 18 \\ 3 & 3 & 1 & 2 & 6 & 6 \\ 6 & 6 & 2 & 1 & 3 & 3 \\ 18 & 2 & 6 & 3 & 1 & 9 \\ 2 & 18 & 6 & 3 & 9 & 1 \end{array}\right)\)

Isogeny graph