Cremona's table of elliptic curves

30420 = 2² · 3² · 5 · 13²

Class	r	Atkin-Lehner	Eigenvalues
30420a (2 curves)	2	2- 3+ 5+ 13+	2- 3+ 5+  0 -6 13+ -4 -4
Curve Equation t Generators 30420a1 [0,0,0,18252,3737097] 2 [-104:845:1]&[52:-2197:1] 30420a2 [0,0,0,-278343,52319358] 2 [559:-8450:1]&[207:1890:1]
30420b (1 curve)	0	2- 3+ 5+ 13+	2- 3+ 5+  1  1 13+ -5  0
Curve Equation t 30420b1 [0,0,0,8112,-1748812] 1
30420c (2 curves)	1	2- 3+ 5- 13+	2- 3+ 5-  0  6 13+  4 -4
Curve Equation t Generators 30420c1 [0,0,0,2028,-138411] 2 [19396:340535:64] 30420c2 [0,0,0,-30927,-1937754] 2 [1222:42250:1]
30420d (1 curve)	1	2- 3+ 5- 13+	2- 3+ 5-  1 -1 13+  5  0
Curve Equation t Generators 30420d1 [0,0,0,73008,47217924] 1 [1248:-45630:1]
30420e (1 curve)	1	2- 3- 5+ 13+	2- 3- 5+  1 -2 13+ -2  0
Curve Equation t Generators 30420e1 [0,0,0,-32216808,-162226822732] 1 [8000878414852837:-335946163658480955:981218819953]
30420f (2 curves)	1	2- 3- 5+ 13+	2- 3- 5+  1  3 13+  3 -5
Curve Equation t Generators 30420f1 [0,0,0,-273,-1703] 1 [-9:5:1] 30420f2 [0,0,0,-2613,50713] 1 [162:625:8]
30420g (2 curves)	1	2- 3- 5+ 13+	2- 3- 5+  1  3 13+ -3 -2
Curve Equation t Generators 30420g1 [0,0,0,28392,-518492] 1 [416:9126:1] 30420g2 [0,0,0,-336648,85849972] 1 [533:7605:1]
30420h (2 curves)	1	2- 3- 5+ 13+	2- 3- 5+ -1 -3 13+  3 -7
Curve Equation t Generators 30420h1 [0,0,0,-9633,346957] 1 [156:1625:1] 30420h2 [0,0,0,-770133,260133757] 3 [516:365:1]
30420i (2 curves)	1	2- 3- 5+ 13+	2- 3- 5+  2 -6 13+  2  2
Curve Equation t Generators 30420i1 [0,0,0,-123708,-1606007] 2 [-256:3645:1] 30420i2 [0,0,0,492297,-12817298] 2 [251:11250:1]
30420j (4 curves)	1	2- 3- 5+ 13+	2- 3- 5+ -2  0 13+  6  4
Curve Equation t Generators 30420j1 [0,0,0,-2028,-24167] 2 [-22:99:1] 30420j2 [0,0,0,5577,-162578] 2 [39:338:1] 30420j3 [0,0,0,-62868,6065917] 2 [14995:62568:125] 30420j4 [0,0,0,-55263,7588438] 2 [-78:3380:1]
30420k (2 curves)	1	2- 3- 5+ 13+	2- 3- 5+ -2  4 13+ -2  0
Curve Equation t Generators 30420k1 [0,0,0,-427908,-107738683] 2 [327908077498576432:-17504016950471194091:109160525017088] 30420k2 [0,0,0,-420303,-111752602] 2 [10855178152:167442197715:12487168]
30420l (1 curve)	1	2- 3- 5+ 13+	2- 3- 5+  3 -3 13+  7  1
Curve Equation t Generators 30420l1 [0,0,0,-19773,-771147] 1 [169:845:1]
30420m (1 curve)	1	2- 3- 5+ 13+	2- 3- 5+ -3  6 13+ -6  0
Curve Equation t Generators 30420m1 [0,0,0,312,-988] 1 [16:-90:1]
30420n (1 curve)	1	2- 3- 5+ 13+	2- 3- 5+ -5 -5 13+  1  3
Curve Equation t Generators 30420n1 [0,0,0,-273,-403] 1 [-4:25:1]
30420o (2 curves)	0	2- 3- 5+ 13-	2- 3- 5+  0 -2 13- -2  4
Curve Equation t 30420o1 [0,0,0,-4139148,3241016597] 2 30420o2 [0,0,0,-4435743,2749795958] 2
30420p (1 curve)	0	2- 3- 5+ 13-	2- 3- 5+  5  3 13- -7  4
Curve Equation t 30420p1 [0,0,0,-4368,-150748] 1
30420q (2 curves)	0	2- 3- 5- 13+	2- 3- 5-  1  3 13+  3  7
Curve Equation t 30420q1 [0,0,0,-1627977,762264529] 1 30420q2 [0,0,0,-130152477,571513864129] 1
30420r (1 curve)	0	2- 3- 5- 13+	2- 3- 5- -1  2 13+ -2  0
Curve Equation t 30420r1 [0,0,0,-190632,-73840156] 1
30420s (2 curves)	0	2- 3- 5- 13+	2- 3- 5- -1 -3 13+  3  5
Curve Equation t 30420s1 [0,0,0,-46137,-3741491] 1 30420s2 [0,0,0,-441597,111416461] 3
30420t (2 curves)	0	2- 3- 5- 13+	2- 3- 5-  2 -2 13+  2  2
Curve Equation t 30420t1 [0,0,0,-160212,-24612991] 2 30420t2 [0,0,0,-91767,-45789874] 2
30420u (1 curve)	0	2- 3- 5- 13+	2- 3- 5-  3 -6 13+ -6  0
Curve Equation t 30420u1 [0,0,0,52728,-2170636] 1
30420v (1 curve)	0	2- 3- 5- 13+	2- 3- 5- -3  1 13+  3  2
Curve Equation t 30420v1 [0,0,0,296088,11621189684] 1
30420w (1 curve)	0	2- 3- 5- 13+	2- 3- 5- -3  3 13+  7 -1
Curve Equation t 30420w1 [0,0,0,-117,-351] 1
30420x (1 curve)	0	2- 3- 5- 13+	2- 3- 5-  5  5 13+  1 -3
Curve Equation t 30420x1 [0,0,0,-46137,-885391] 1
30420y (2 curves)	1	2- 3- 5- 13-	2- 3- 5-  0  2 13- -2 -4
Curve Equation t Generators 30420y1 [0,0,0,-24492,1475201] 2 [82:-135:1] 30420y2 [0,0,0,-26247,1251614] 2 [143:650:1]
30420z (1 curve)	1	2- 3- 5- 13-	2- 3- 5- -5 -3 13- -7 -4
Curve Equation t Generators 30420z1 [0,0,0,-738192,-331193356] 1 [4929961361:143385392475:3307949]

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