Properties

Label 3920.2.fs
Level $3920$
Weight $2$
Character orbit 3920.fs
Rep. character $\chi_{3920}(221,\cdot)$
Character field $\Q(\zeta_{84})$
Dimension $10752$
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.fs (of order \(84\) and degree \(24\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 784 \)
Character field: \(\Q(\zeta_{84})\)
Sturm bound: \(1344\)

Dimensions

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

Total New Old
Modular forms 16224 10752 5472
Cusp forms 16032 10752 5280
Eisenstein series 192 0 192

Trace form

\( 10752 q - 16 q^{14} + 20 q^{18} + 16 q^{20} - 48 q^{22} + 40 q^{24} + 164 q^{28} + 20 q^{32} + 40 q^{38} + 60 q^{42} + 20 q^{44} + 20 q^{46} - 80 q^{47} + 160 q^{48} + 40 q^{51} - 24 q^{52} + 116 q^{54}+ \cdots - 24 q^{98}+O(q^{100}) \) 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

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