Properties

Base field \(\Q(\sqrt{-7}) \)
Level 128.4
Norm 128
New dimension 1

Related objects

Learn more about

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

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

Level 128.4

Norm: 128
Ideal: \((8 a) = \left(a\right)^{4} \cdot \left(-a + 1\right)^{3} \)
Label: 128.4

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
128.4-a 2 1 +1 yes (twist) no