Properties

Label 2163.1.x
Level $2163$
Weight $1$
Character orbit 2163.x
Rep. character $\chi_{2163}(205,\cdot)$
Character field $\Q(\zeta_{6})$
Dimension $0$
Newform subspaces $0$
Sturm bound $277$
Trace bound $0$

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Defining parameters

Level: \( N \) \(=\) \( 2163 = 3 \cdot 7 \cdot 103 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 2163.x (of order \(6\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 721 \)
Character field: \(\Q(\zeta_{6})\)
Newform subspaces: \( 0 \)
Sturm bound: \(277\)
Trace bound: \(0\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{1}(2163, [\chi])\).

Total New Old
Modular forms 28 0 28
Cusp forms 20 0 20
Eisenstein series 8 0 8

The following table gives the dimensions of subspaces with specified projective image type.

\(D_n\) \(A_4\) \(S_4\) \(A_5\)
Dimension 0 0 0 0

Decomposition of \(S_{1}^{\mathrm{old}}(2163, [\chi])\) into lower level spaces

\( S_{1}^{\mathrm{old}}(2163, [\chi]) \simeq \) \(S_{1}^{\mathrm{new}}(721, [\chi])\)\(^{\oplus 2}\)