Elliptic curve isogeny class 484.1-a over number field \(\Q(\sqrt{21}) \)

• Base field: \(\Q(\sqrt{21}) \)
• Label: 2.2.21.1-484.1-a
• Conductor: 484.1
• Rank: \( 0 \)

Base field \(\Q(\sqrt{21}) \)

Generator \(a\), with minimal polynomial \( x^{2} - x - 5 \); class number \(1\).

Elliptic curves in class 484.1-a over \(\Q(\sqrt{21}) \)

Isogeny class 484.1-a contains 4 curves linked by isogenies of degrees dividing 6.

Curve label	Weierstrass Coefficients
484.1-a1	\( \bigl[a\) , \( -1\) , \( 0\) , \( -49 a - 98\) , \( 60 a + 105\bigr] \)
484.1-a2	\( \bigl[a + 1\) , \( -a - 1\) , \( 1\) , \( 21 a - 65\) , \( 93 a - 256\bigr] \)
484.1-a3	\( \bigl[a\) , \( -1\) , \( 0\) , \( -29 a - 58\) , \( -148 a - 259\bigr] \)
484.1-a4	\( \bigl[a + 1\) , \( -a - 1\) , \( 1\) , \( 341 a - 1025\) , \( 5725 a - 15744\bigr] \)

Rank

Rank: \( 0 \)

Isogeny matrix

\(\left(\begin{array}{rrrr} 1 & 6 & 2 & 3 \\ 6 & 1 & 3 & 2 \\ 2 & 3 & 1 & 6 \\ 3 & 2 & 6 & 1 \end{array}\right)\)

Isogeny graph