Cremona's table of elliptic curves

198 = 2 · 3² · 11

Field	Data	Notes
Atkin-Lehner	2+ 3+ 11-	Signs for the Atkin-Lehner involutions
Conductor	198	Conductor
Count	4	Number of curves in isogeny class
Curves	198d1 198d2 198d3 198d4	Curves in isogeny class
deg	32	Modular degree for the optimal curve
Eigenvalues	2+ 3+  0  2 11-  2  6  2	Hecke eigenvalues for primes less than 20
L	0.97436372977461	L(r)(E,1)/r!
r	0	Rank of the group of rational points
Twists	1584h 6336b 198c 4950z	Quadratic twists by: -4 8 -3 5

Hecke Eigenvalues for isogeny class 198d

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
+	+	0	2	-	2	6	2	0	6	-4	2	-6	-10	-12	12	-12	-10	8	-12	14	2	12	0	2

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Quadratic twists for isogeny class 198d

-4	8	-3	5	-7	-11	13	17	-19	-23
1584h	6336b	198c	4950z	9702i	2178g	33462bp	57222a	71478bn	104742a

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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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