Cremona's table of elliptic curves

40401 = 3² · 67²

Field	Data	Notes
Atkin-Lehner	3+ 67-	Signs for the Atkin-Lehner involutions
Conductor	40401	Conductor
Count	2	Number of curves in isogeny class
Curves	40401c1 40401c2	Curves in isogeny class
deg	376992	Modular degree for the optimal curve
Eigenvalues	1 3+ -2 -4  4 -2  0  4	Hecke eigenvalues for primes less than 20
L	0.26578368583104	L(r)(E,1)/r!
r	0	Rank of the group of rational points
Twists	40401d 603b	Quadratic twists by: -3 -67

Hecke Eigenvalues for isogeny class 40401c

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	4	-2	0	4	-6	4	-8	2	-6	-4	2	-10	-6	2	-	6	-10	8	-2	16	-6

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Quadratic twists for isogeny class 40401c

-3	-67
40401d	603b

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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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