Properties

Label 3920.2.cr
Level $3920$
Weight $2$
Character orbit 3920.cr
Rep. character $\chi_{3920}(411,\cdot)$
Character field $\Q(\zeta_{12})$
Dimension $1280$
Sturm bound $1344$

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Defining parameters

Level: \( N \) \(=\) \( 3920 = 2^{4} \cdot 5 \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 3920.cr (of order \(12\) and degree \(4\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 112 \)
Character field: \(\Q(\zeta_{12})\)
Sturm bound: \(1344\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(3920, [\chi])\).

Total New Old
Modular forms 2752 1280 1472
Cusp forms 2624 1280 1344
Eisenstein series 128 0 128

Trace form

\( 1280 q - 8 q^{4} + 16 q^{11} + 40 q^{16} - 60 q^{18} - 32 q^{22} - 32 q^{23} - 64 q^{29} - 20 q^{32} + 32 q^{37} + 32 q^{43} + 44 q^{44} + 20 q^{46} + 16 q^{50} - 40 q^{51} + 72 q^{52} + 32 q^{53} + 84 q^{54}+ \cdots + 160 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Decomposition of \(S_{2}^{\mathrm{new}}(3920, [\chi])\) into newform subspaces

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

Decomposition of \(S_{2}^{\mathrm{old}}(3920, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(3920, [\chi]) \simeq \) \(S_{2}^{\mathrm{new}}(112, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(560, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(784, [\chi])\)\(^{\oplus 2}\)