Properties

Label 3960.2.br
Level $3960$
Weight $2$
Character orbit 3960.br
Rep. character $\chi_{3960}(1277,\cdot)$
Character field $\Q(\zeta_{4})$
Dimension $480$
Sturm bound $1728$

Related objects

Downloads

Learn more

Defining parameters

Level: \( N \) \(=\) \( 3960 = 2^{3} \cdot 3^{2} \cdot 5 \cdot 11 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 3960.br (of order \(4\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 120 \)
Character field: \(\Q(i)\)
Sturm bound: \(1728\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(3960, [\chi])\).

Total New Old
Modular forms 1760 480 1280
Cusp forms 1696 480 1216
Eisenstein series 64 0 64

Trace form

\( 480 q + O(q^{10}) \) \( 480 q + 16 q^{16} + 64 q^{28} - 64 q^{31} + 80 q^{40} + 32 q^{46} + 80 q^{52} + 112 q^{58} + 128 q^{70} + 128 q^{82} - 48 q^{88} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(3960, [\chi])\) into newform subspaces

The newforms in this space have not yet been added to the LMFDB.

Decomposition of \(S_{2}^{\mathrm{old}}(3960, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(3960, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(120, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(360, [\chi])\)\(^{\oplus 2}\)