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*The rank, regulator and analytic order of Ш are not known for all curves in the database; curves for which these are unknown will not appear in searches specifying one of these quantities.

## Results (6 matches)

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Label Base field Conductor Isogeny class Weierstrass coefficients
15.2-a5 $$\Q(\sqrt{21})$$ 15.2 15.2-a $$\bigl[1$$ , $$a - 1$$ , $$a$$ , $$40 a - 115$$ , $$-74 a + 205\bigr]$$
15.2-b5 $$\Q(\sqrt{21})$$ 15.2 15.2-b $$\bigl[a + 1$$ , $$1$$ , $$a + 1$$ , $$-15 a - 35$$ , $$-81 a - 150\bigr]$$
45.1-a5 $$\Q(\sqrt{21})$$ 45.1 45.1-a $$\bigl[1$$ , $$a$$ , $$1$$ , $$-239 a - 433$$ , $$-3320 a - 5944\bigr]$$
45.1-b5 $$\Q(\sqrt{21})$$ 45.1 45.1-b $$\bigl[a$$ , $$a$$ , $$0$$ , $$17 a - 88$$ , $$23 a - 8\bigr]$$
1875.1-e5 $$\Q(\sqrt{21})$$ 1875.1 1875.1-e $$\bigl[a + 1$$ , $$-1$$ , $$a$$ , $$-374 a - 877$$ , $$-7385 a - 13374\bigr]$$
1875.1-bp5 $$\Q(\sqrt{21})$$ 1875.1 1875.1-bp $$\bigl[1$$ , $$-a - 1$$ , $$a + 1$$ , $$1017 a - 2920$$ , $$-4419 a + 12722\bigr]$$
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