Properties

Base field \(\Q(\sqrt{-7}) \)
Level 86.4
Norm 86
New dimension 1

Related objects

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Base field \(\Q(\sqrt{-7}) \)

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

Level 86.4

Norm: 86
Ideal: \((5 a - 9) = \left(-a + 1\right) \cdot \left(2 a + 5\right) \)
Label: 86.4

Modular form spaces

Weight 2
Dimension of cuspidal subspace: 1
Dimension of new cuspidal subspace: 1

Newforms

This space contains the following newform.

label weight dimension sign base change CM
86.4-a 2 1 +1 no no