Properties

Base field \(\Q(\sqrt{-11}) \)
Level 256.1
Norm 256
New dimension 2

Related objects

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

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

Level 256.1

Norm: 256
Ideal: \((16) = \left(2\right)^{4} \)
Label: 256.1

Modular form spaces

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

Newforms

This space contains the following newforms.

label weight dimension sign base change CM
256.1-a 2 1 -1 yes (twist) no
256.1-b 2 1 -1 yes (twist) no