Properties

Base field \(\Q(\sqrt{21}) \)
Label 2.2.21.1-300.1-j
Conductor 300.1
Rank \( 1 \)

Related objects

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

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

Elliptic curves in class 300.1-j over \(\Q(\sqrt{21}) \)

Isogeny class 300.1-j contains 8 curves linked by isogenies of degrees dividing 12.

Curve label Weierstrass Coefficients
300.1-j1 \( \bigl[a\) , \( 1\) , \( a + 1\) , \( 67 a - 190\) , \( -1463 a + 4081\bigr] \)
300.1-j2 \( \bigl[a\) , \( 1\) , \( a + 1\) , \( -8 a + 20\) , \( 46 a - 131\bigr] \)
300.1-j3 \( \bigl[a + 1\) , \( -a + 1\) , \( a\) , \( -2269 a - 4082\) , \( 10782 a + 19299\bigr] \)
300.1-j4 \( \bigl[a\) , \( 1\) , \( a + 1\) , \( 342 a - 960\) , \( -4308 a + 12021\bigr] \)
300.1-j5 \( \bigl[a\) , \( 1\) , \( a + 1\) , \( 92 a - 260\) , \( 722 a - 2019\bigr] \)
300.1-j6 \( \bigl[a\) , \( 1\) , \( a + 1\) , \( 1667 a - 4670\) , \( -55159 a + 153969\bigr] \)
300.1-j7 \( \bigl[a\) , \( 1\) , \( a + 1\) , \( 1442 a - 4040\) , \( 46136 a - 128811\bigr] \)
300.1-j8 \( \bigl[a\) , \( 1\) , \( a + 1\) , \( 26667 a - 74670\) , \( -3582159 a + 9999969\bigr] \)

Rank

Rank: \( 1 \)

Isogeny matrix

\(\left(\begin{array}{rrrrrrrr} 1 & 3 & 4 & 12 & 6 & 2 & 12 & 4 \\ 3 & 1 & 12 & 4 & 2 & 6 & 4 & 12 \\ 4 & 12 & 1 & 12 & 6 & 2 & 3 & 4 \\ 12 & 4 & 12 & 1 & 2 & 6 & 4 & 3 \\ 6 & 2 & 6 & 2 & 1 & 3 & 2 & 6 \\ 2 & 6 & 2 & 6 & 3 & 1 & 6 & 2 \\ 12 & 4 & 3 & 4 & 2 & 6 & 1 & 12 \\ 4 & 12 & 4 & 3 & 6 & 2 & 12 & 1 \end{array}\right)\)

Isogeny graph