Cremona's table of elliptic curves

4230 = 2 · 3² · 5 · 47

Class	r	Atkin-Lehner	Eigenvalues
4230a (2 curves)	1	2+ 3+ 5+ 47+	2+ 3+ 5+  2  0 -2  2 -4
Curve Equation t Generators 4230a1 [1,-1,0,-150,-640] 2 [-7:9:1] 4230a2 [1,-1,0,-420,2546] 2 [-17:76:1]
4230b (2 curves)	0	2+ 3+ 5+ 47-	2+ 3+ 5+  0  4 -4  2  4
Curve Equation t 4230b1 [1,-1,0,-180,-1024] 2 4230b2 [1,-1,0,-3000,-62500] 2
4230c (2 curves)	0	2+ 3+ 5+ 47-	2+ 3+ 5+ -1  6  5  3 -7
Curve Equation t 4230c1 [1,-1,0,75,-279] 3 4230c2 [1,-1,0,-2040,-35200] 1
4230d (4 curves)	0	2+ 3+ 5+ 47-	2+ 3+ 5+ -4  0 -4 -6 -4
Curve Equation t 4230d1 [1,-1,0,-1661160,824500800] 6 4230d2 [1,-1,0,-26578680,52747628976] 6 4230d3 [1,-1,0,-633975,1826567261] 2 4230d4 [1,-1,0,-26623095,52562527325] 2
4230e (2 curves)	0	2+ 3+ 5- 47+	2+ 3+ 5- -2  2  4  2  4
Curve Equation t 4230e1 [1,-1,0,-39759,3062105] 2 4230e2 [1,-1,0,-636189,195470423] 2
4230f (2 curves)	0	2+ 3+ 5- 47+	2+ 3+ 5- -2 -4 -2  2 -8
Curve Equation t 4230f1 [1,-1,0,-1284,-11440] 2 4230f2 [1,-1,0,-18564,-968752] 2
4230g (1 curve)	0	2+ 3+ 5- 47+	2+ 3+ 5-  3  2 -1  7 -1
Curve Equation t 4230g1 [1,-1,0,-294,-8012] 1
4230h (2 curves)	1	2+ 3+ 5- 47-	2+ 3+ 5-  2 -2  4 -6 -4
Curve Equation t Generators 4230h1 [1,-1,0,9005511,14046597485] 2 [876659:820382572:1] 4230h2 [1,-1,0,-61773369,143897530733] 2 [2609:20715:1]
4230i (1 curve)	1	2+ 3+ 5- 47-	2+ 3+ 5- -3 -2 -1 -1  1
Curve Equation t Generators 4230i1 [1,-1,0,6,-4792] 1 [22:64:1]
4230j (1 curve)	1	2+ 3- 5+ 47-	2+ 3- 5+ -3  1 -1  8 -5
Curve Equation t Generators 4230j1 [1,-1,0,-1050,-2764] 1 [-28:78:1]
4230k (2 curves)	1	2+ 3- 5- 47+	2+ 3- 5-  0  2 -4 -2 -4
Curve Equation t Generators 4230k1 [1,-1,0,2916,181840] 2 [41:587:1] 4230k2 [1,-1,0,-35964,2382448] 2 [-13:1694:1]
4230l (1 curve)	1	2+ 3- 5- 47+	2+ 3- 5- -3  5 -1 -2 -1
Curve Equation t Generators 4230l1 [1,-1,0,-99,-347] 1 [-6:5:1]
4230m (2 curves)	0	2+ 3- 5- 47-	2+ 3- 5-  2 -2 -2  2  0
Curve Equation t 4230m1 [1,-1,0,-72189,7484485] 2 4230m2 [1,-1,0,-1155069,478104133] 2
4230n (4 curves)	0	2+ 3- 5- 47-	2+ 3- 5-  4  4  2 -2  8
Curve Equation t 4230n1 [1,-1,0,-144,688] 2 4230n2 [1,-1,0,-324,-1220] 4 4230n3 [1,-1,0,-4554,-117122] 2 4230n4 [1,-1,0,1026,-9590] 2
4230o (2 curves)	0	2+ 3- 5- 47-	2+ 3- 5-  5  3  5  0 -7
Curve Equation t 4230o1 [1,-1,0,-324,-2160] 1 4230o2 [1,-1,0,-1584,22788] 3
4230p (1 curve)	0	2+ 3- 5- 47-	2+ 3- 5- -5 -2  5 -5 -7
Curve Equation t 4230p1 [1,-1,0,-421164,-128127200] 1
4230q (2 curves)	0	2- 3+ 5+ 47+	2- 3+ 5+  2  2  4  6 -4
Curve Equation t 4230q1 [1,-1,1,1000612,-520577889] 2 4230q2 [1,-1,1,-6863708,-5327250273] 2
4230r (1 curve)	0	2- 3+ 5+ 47+	2- 3+ 5+ -3  2 -1  1  1
Curve Equation t 4230r1 [1,-1,1,52,129331] 1
4230s (2 curves)	1	2- 3+ 5+ 47-	2- 3+ 5+ -2 -2  4 -2  4
Curve Equation t Generators 4230s1 [1,-1,1,-4418,-111939] 2 [1581:62001:1] 4230s2 [1,-1,1,-70688,-7216083] 2 [101748:3944235:64]
4230t (2 curves)	1	2- 3+ 5+ 47-	2- 3+ 5+ -2  4 -2 -2 -8
Curve Equation t Generators 4230t1 [1,-1,1,-143,471] 2 [3:6:1] 4230t2 [1,-1,1,-2063,36567] 2 [15:86:1]
4230u (1 curve)	1	2- 3+ 5+ 47-	2- 3+ 5+  3 -2 -1 -7 -1
Curve Equation t Generators 4230u1 [1,-1,1,-2648,218971] 1 [13:425:1]
4230v (2 curves)	1	2- 3+ 5- 47+	2- 3+ 5-  0 -4 -4 -2  4
Curve Equation t Generators 4230v1 [1,-1,1,-1622,29269] 2 [7:131:1] 4230v2 [1,-1,1,-27002,1714501] 2 [61:509:1]
4230w (2 curves)	1	2- 3+ 5- 47+	2- 3+ 5- -1 -6  5 -3 -7
Curve Equation t Generators 4230w1 [1,-1,1,-227,1379] 3 [-3:46:1] 4230w2 [1,-1,1,673,6859] 1 [19:152:1]
4230x (4 curves)	1	2- 3+ 5- 47+	2- 3+ 5- -4  0 -4  6 -4
Curve Equation t Generators 4230x1 [1,-1,1,-70442,-67627159] 6 [471:1639:1] 4230x2 [1,-1,1,-2958122,-1945774231] 6 [-933:1621:1] 4230x3 [1,-1,1,-14950442,-22246571159] 2 [4951:155879:1] 4230x4 [1,-1,1,-239208122,-1423946774231] 2 [2625429:806307547:27]
4230y (2 curves)	0	2- 3+ 5- 47-	2- 3+ 5-  2  0 -2 -2 -4
Curve Equation t 4230y1 [1,-1,1,-17,29] 2 4230y2 [1,-1,1,-47,-79] 2
4230z (1 curve)	1	2- 3- 5+ 47+	2- 3- 5+ -1 -1 -5  0  5
Curve Equation t Generators 4230z1 [1,-1,1,-878,-8463] 1 [-15:41:1]
4230ba (1 curve)	1	2- 3- 5+ 47+	2- 3- 5+ -1  2  1 -3 -7
Curve Equation t Generators 4230ba1 [1,-1,1,67,-1659] 1 [23:96:1]
4230bb (2 curves)	0	2- 3- 5+ 47-	2- 3- 5+ -1 -3  5 -6 -1
Curve Equation t 4230bb1 [1,-1,1,-51953,-4544863] 1 4230bb2 [1,-1,1,-57128,-3580693] 3
4230bc (1 curve)	0	2- 3- 5+ 47-	2- 3- 5+ -3  6  1 -3  3
Curve Equation t 4230bc1 [1,-1,1,-1103,-93913] 1
4230bd (2 curves)	0	2- 3- 5+ 47-	2- 3- 5+  4  2  0 -6  4
Curve Equation t 4230bd1 [1,-1,1,-1238,27681] 2 4230bd2 [1,-1,1,-23108,1357377] 2
4230be (1 curve)	1	2- 3- 5- 47-	2- 3- 5- -1 -2 -5 -7  3
Curve Equation t Generators 4230be1 [1,-1,1,-3768962,2817938049] 1 [1907:-51579:1]
4230bf (1 curve)	1	2- 3- 5- 47-	2- 3- 5- -1  3 -5 -2 -7
Curve Equation t Generators 4230bf1 [1,-1,1,-392,-2869] 1 [-11:9:1]
4230bg (2 curves)	1	2- 3- 5- 47-	2- 3- 5-  2 -6 -2 -2 -4
Curve Equation t Generators 4230bg1 [1,-1,1,11308,325559] 2 [-3:541:1] 4230bg2 [1,-1,1,-56372,2924471] 2 [561:-12431:1]
4230bh (2 curves)	1	2- 3- 5- 47-	2- 3- 5- -4 -2  4  2  0
Curve Equation t Generators 4230bh1 [1,-1,1,148,-849] 2 [11:39:1] 4230bh2 [1,-1,1,-932,-7761] 2 [-13:51:1]

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