Properties

Base field \(\Q(\sqrt{-11}) \)
Level 19881.5
Norm 19881
New dimension 11

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Base field \(\Q(\sqrt{-11}) \)

Generator \(a\), with minimal polynomial \(x^{2} - x + 3\); class number \(1\).

Level 19881.5

Norm: 19881
Ideal: \((141) = \left(-a\right) \cdot \left(a - 1\right) \cdot \left(-2 a + 7\right) \cdot \left(2 a + 5\right) \)
Label: 19881.5

Modular form spaces

Weight 2
Dimension of cuspidal subspace: 95
Dimension of new cuspidal subspace: 11

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
19881.5-a 2 -1 yes no
19881.5-b 2 -1 yes no
19881.5-c 2 +1 no no
19881.5-d 2 +1 no no
19881.5-e 2 -1 no no
19881.5-f 2 -1 no no
19881.5-g 2 -1 yes no
19881.5-h 2 -1 yes no
19881.5-i 2 -1 yes no