Properties

Label 840.4.cb
Level $840$
Weight $4$
Character orbit 840.cb
Rep. character $\chi_{840}(269,\cdot)$
Character field $\Q(\zeta_{6})$
Dimension $1136$
Sturm bound $768$

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Defining parameters

Level: \( N \) \(=\) \( 840 = 2^{3} \cdot 3 \cdot 5 \cdot 7 \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 840.cb (of order \(6\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 840 \)
Character field: \(\Q(\zeta_{6})\)
Sturm bound: \(768\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{4}(840, [\chi])\).

Total New Old
Modular forms 1168 1168 0
Cusp forms 1136 1136 0
Eisenstein series 32 32 0

Trace form

\( 1136 q - 4 q^{4} - 4 q^{9} - 6 q^{10} + 100 q^{15} - 4 q^{16} + 156 q^{24} - 4 q^{25} - 228 q^{30} - 24 q^{31} - 192 q^{36} + 104 q^{39} + 1914 q^{40} + 480 q^{46} - 16 q^{49} + 2172 q^{54} - 452 q^{60}+ \cdots + 3060 q^{96}+O(q^{100}) \) Copy content Toggle raw display

Decomposition of \(S_{4}^{\mathrm{new}}(840, [\chi])\) into newform subspaces

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