Properties

Base field \(\Q(\sqrt{-2}) \)
Level 11858.2
Norm 11858
New dimension 5

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Base field \(\Q(\sqrt{-2}) \)

Generator \(a\), with minimal polynomial \(x^{2} + 2\); class number \(1\).

Level 11858.2

Norm: 11858
Ideal: \((77 a) = \left(a\right) \cdot \left(7\right) \cdot \left(a + 3\right) \cdot \left(a - 3\right) \)
Label: 11858.2

Modular form spaces

Weight 2
Dimension of cuspidal subspace: 23
Dimension of new cuspidal subspace: 5

Newforms

This space contains the following newforms of dimension 1. Newforms of higher dimension are not yet in the database.

label weight sign base change CM
11858.2-a 2 +1 yes no
11858.2-b 2 +1 yes no
11858.2-c 2 -1 yes no