Cremona's table of elliptic curves

20230 = 2 · 5 · 7 · 17²

Field	Data	Notes
Atkin-Lehner	2- 5+ 7- 17+	Signs for the Atkin-Lehner involutions
Class	20230m	Isogeny class
Conductor	20230	Conductor
∏ cp	304	Product of Tamagawa factors cp
deg	175104	Modular degree for the optimal curve
Δ	-74245648712990720 = -1 · 219 · 5 · 78 · 173	Discriminant
Eigenvalues	2- -1 5+ 7- -2 -5 17+  5	Hecke eigenvalues for primes up to 20
Equation	[1,1,1,92814,7347199]	[a1,a2,a3,a4,a6]
Generators	[2041:92275:1]	Generators of the group modulo torsion
j	17997704835884047/15112079933440	j-invariant
L	5.5251300615483	L(r)(E,1)/r!
Ω	0.22340454965389	Real period
R	0.081353624925995	Regulator
r	1	Rank of the group of rational points
S	1	(Analytic) order of Ш
t	1	Number of elements in the torsion subgroup
Twists	101150d1 20230o1	Quadratic twists by: 5 17

Hecke Eigenvalues for elliptic curve 20230m1

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	-5	+	5	2	1	-1	2	4	-4	-9	9	1	-5	2	7	-9	8	6	-9	17

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Quadratic twists for elliptic curve 20230m1

5	17
101150d1	20230o1

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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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