sage:R.<x> = PolynomialRing(QQ); K.<a> = NumberField(R([1, -6, 3, 10, -3, -3, 1]))
pari:K = nfinit(Polrev(%s));
magma:R<x> := PolynomialRing(Rationals()); K<a> := NumberField(R!%s);
oscar:Qx, x = polynomial_ring(QQ); K, a = number_field(Qx(%s))
Generator \(a\), with minimal polynomial
\( x^{6} - 3 x^{5} - 3 x^{4} + 10 x^{3} + 3 x^{2} - 6 x + 1 \); class number \(1\).
sage:E = EllipticCurve([K([1,0,0,0,0,0]),K([4,-6,-11,4,3,-1]),K([0,2,7,-2,-3,1]),K([-117,-2,-7,2,3,-1]),K([-672,236,431,-157,-117,39])])
E.isogeny_class()
sage:E.rank()
magma:Rank(E);
The elliptic curves in class 64.1-d have
rank \( 1 \).
sage:E.isogeny_class().matrix()
\(\left(\begin{array}{rrrr}
1 & 21 & 3 & 7 \\
21 & 1 & 7 & 3 \\
3 & 7 & 1 & 21 \\
7 & 3 & 21 & 1
\end{array}\right)\)
sage:E.isogeny_class().graph().plot(edge_labels=True)
Elliptic curves in class 64.1-d over 6.6.1397493.1
sage:E.isogeny_class().curves
Isogeny class 64.1-d contains
4 curves linked by isogenies of
degrees dividing 21.
| Curve label |
Weierstrass Coefficients |
| 64.1-d1
| \( \bigl[1\) , \( -a^{5} + 3 a^{4} + 4 a^{3} - 11 a^{2} - 6 a + 4\) , \( a^{5} - 3 a^{4} - 2 a^{3} + 7 a^{2} + 2 a\) , \( -a^{5} + 3 a^{4} + 2 a^{3} - 7 a^{2} - 2 a - 117\) , \( 39 a^{5} - 117 a^{4} - 157 a^{3} + 431 a^{2} + 236 a - 672\bigr] \)
|
| 64.1-d2
| \( \bigl[a^{5} - 3 a^{4} - 2 a^{3} + 7 a^{2} + 2 a - 1\) , \( a^{5} - 3 a^{4} - 4 a^{3} + 11 a^{2} + 6 a - 6\) , \( a^{3} - 2 a^{2} - 2 a + 3\) , \( -1\) , \( -4 a^{5} + 12 a^{4} + 14 a^{3} - 40 a^{2} - 20 a + 21\bigr] \)
|
| 64.1-d3
| \( \bigl[a^{5} - 3 a^{4} - 2 a^{3} + 7 a^{2} + 2 a - 1\) , \( a^{5} - 3 a^{4} - 4 a^{3} + 11 a^{2} + 6 a - 6\) , \( a^{3} - 2 a^{2} - 2 a + 3\) , \( 40 a^{5} - 120 a^{4} - 130 a^{3} + 380 a^{2} + 180 a - 201\) , \( 346 a^{5} - 1038 a^{4} - 1162 a^{3} + 3362 a^{2} + 1632 a - 1777\bigr] \)
|
| 64.1-d4
| \( \bigl[1\) , \( -a^{5} + 3 a^{4} + 4 a^{3} - 11 a^{2} - 6 a + 4\) , \( a^{5} - 3 a^{4} - 2 a^{3} + 7 a^{2} + 2 a\) , \( -a^{5} + 3 a^{4} + 2 a^{3} - 7 a^{2} - 2 a + 3\) , \( -a^{5} + 3 a^{4} + 3 a^{3} - 9 a^{2} - 4 a + 2\bigr] \)
|