Cremona's table of elliptic curves

7821 = 3² · 11 · 79

Field	Data	Notes
Atkin-Lehner	3- 11+ 79+	Signs for the Atkin-Lehner involutions
Conductor	7821	Conductor
Count	2	Number of curves in isogeny class
Curves	7821a1 7821a2	Curves in isogeny class
deg	1056	Modular degree for the optimal curve
Eigenvalues	1 3- -2  4 11+  2  0 -4	Hecke eigenvalues for primes less than 20
L	2.0126394876553	L(r)(E,1)/r!
r	0	Rank of the group of rational points
Twists	125136w 869c 86031i	Quadratic twists by: -4 -3 -11

Hecke Eigenvalues for isogeny class 7821a

a2	a3	a5	a7	a11	a13	a17	a19	a23	a29	a31	a37	a41	a43	a47	a53	a59	a61	a67	a71	a73	a79	a83	a89	a97
1	-	-2	4	+	2	0	-4	0	0	4	2	0	4	-2	-2	2	-4	12	-10	-2	+	-12	6	14

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Quadratic twists for isogeny class 7821a

-4	-3	-11
125136w	869c	86031i

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Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
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