Cremona's table of elliptic curves

18620 = 2² · 5 · 7² · 19

Class	r	Atkin-Lehner	Eigenvalues
18620a (1 curve)	0	2- 5+ 7+ 19+	2-  2 5+ 7+  3  4  7 19+
Curve Equation t 18620a1 [0,-1,0,58539,-13501039] 1
18620b (1 curve)	2	2- 5+ 7+ 19+	2- -2 5+ 7+ -5  0 -5 19+
Curve Equation t Generators 18620b1 [0,1,0,-261,1735] 1 [-23826:41909:1331]&[-3:50:1]
18620c (2 curves)	1	2- 5+ 7+ 19-	2- -2 5+ 7+  3 -4 -3 19-
Curve Equation t Generators 18620c1 [0,1,0,-64941,7409359] 3 [-11:2850:1] 18620c2 [0,1,0,456419,-41807025] 1 [3762:234375:1]
18620d (2 curves)	1	2- 5+ 7- 19+	2- -1 5+ 7- -6  4 -3 19+
Curve Equation t Generators 18620d1 [0,-1,0,964,-32360] 1 [26:98:1] 18620d2 [0,-1,0,-8836,963320] 1 [-79:1078:1]
18620e (4 curves)	1	2- 5+ 7- 19+	2-  2 5+ 7-  0 -2  6 19+
Curve Equation t Generators 18620e1 [0,-1,0,-13981,-679650] 2 [55263:12991125:1] 18620e2 [0,-1,0,-228356,-41925400] 2 [1492122:350755426:27] 18620e3 [0,-1,0,84019,168050] 2 [-18676866:13925605078:38958219] 18620e4 [0,-1,0,-336156,1680680] 2 [8492078008312320018:-1996217944490952030079:153663370700328]
18620f (1 curve)	0	2- 5+ 7- 19-	2-  1 5+ 7- -5  3  3 19-
Curve Equation t 18620f1 [0,1,0,-215861,-39021865] 1
18620g (1 curve)	0	2- 5+ 7- 19-	2- -1 5+ 7- -2  0  1 19-
Curve Equation t 18620g1 [0,-1,0,-95076,-11491304] 1
18620h (1 curve)	0	2- 5+ 7- 19-	2- -1 5+ 7-  3  5  1 19-
Curve Equation t 18620h1 [0,-1,0,111459,463487305] 1
18620i (2 curves)	0	2- 5+ 7- 19-	2-  2 5+ 7-  0  2 -2 19-
Curve Equation t 18620i1 [0,-1,0,-261,-10114] 2 18620i2 [0,-1,0,-8836,-315384] 2
18620j (2 curves)	0	2- 5- 7- 19+	2-  0 5- 7- -4  4 -6 19+
Curve Equation t 18620j1 [0,0,0,-392,1029] 2 18620j2 [0,0,0,-5047,137886] 2
18620k (1 curve)	2	2- 5- 7- 19+	2- -1 5- 7- -5 -3 -3 19+
Curve Equation t Generators 18620k1 [0,-1,0,-4405,115025] 1 [-65:350:1]&[55:-190:1]
18620l (2 curves)	0	2- 5- 7- 19+	2-  2 5- 7-  3  4  3 19+
Curve Equation t 18620l1 [0,-1,0,-1325,-21223] 1 18620l2 [0,-1,0,9315,119225] 1
18620m (1 curve)	0	2- 5- 7- 19+	2-  3 5- 7-  2  4  3 19+
Curve Equation t 18620m1 [0,0,0,530033,11187974] 1
18620n (1 curve)	1	2- 5- 7- 19-	2-  1 5- 7-  3  3 -5 19-
Curve Equation t Generators 18620n1 [0,1,0,-6925,301615] 1 [93:686:1]
18620o (1 curve)	1	2- 5- 7- 19-	2- -1 5- 7- -2  0 -1 19-
Curve Equation t Generators 18620o1 [0,-1,0,-160540,24812600] 1 [250:-490:1]
18620p (1 curve)	1	2- 5- 7- 19-	2-  2 5- 7- -5  0  5 19-
Curve Equation t Generators 18620p1 [0,-1,0,-12805,-620703] 1 [567:13194:1]
18620q (2 curves)	1	2- 5- 7- 19-	2- -2 5- 7-  0 -6 -2 19-
Curve Equation t Generators 18620q1 [0,1,0,-45145,-3458400] 2 [-115:475:1] 18620q2 [0,1,0,43300,-15274652] 2 [436:9310:1]
18620r (1 curve)	1	2- 5- 7- 19-	2- -2 5- 7-  3 -4 -7 19-
Curve Equation t Generators 18620r1 [0,1,0,1195,39703] 1 [73:-722:1]

Data from Elliptic Curve Data by J. E. Cremona.
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