Properties

Label 3640.2.bm
Level $3640$
Weight $2$
Character orbit 3640.bm
Rep. character $\chi_{3640}(629,\cdot)$
Character field $\Q(\zeta_{4})$
Dimension $1328$
Sturm bound $1344$

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Defining parameters

Level: \( N \) \(=\) \( 3640 = 2^{3} \cdot 5 \cdot 7 \cdot 13 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 3640.bm (of order \(4\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 3640 \)
Character field: \(\Q(i)\)
Sturm bound: \(1344\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(3640, [\chi])\).

Total New Old
Modular forms 1360 1360 0
Cusp forms 1328 1328 0
Eisenstein series 32 32 0

Trace form

\( 1328 q - 1328 q^{9} + O(q^{10}) \) \( 1328 q - 1328 q^{9} - 24 q^{14} + 16 q^{15} - 16 q^{16} + 32 q^{39} - 56 q^{44} + 56 q^{46} + 24 q^{50} - 12 q^{60} - 8 q^{65} - 80 q^{71} - 16 q^{74} - 32 q^{79} + 1264 q^{81} + 60 q^{84} - 48 q^{86} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(3640, [\chi])\) into newform subspaces

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