Properties

Label 1840.2.cj
Level $1840$
Weight $2$
Character orbit 1840.cj
Rep. character $\chi_{1840}(19,\cdot)$
Character field $\Q(\zeta_{44})$
Dimension $5680$
Sturm bound $576$

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Defining parameters

Level: \( N \) \(=\) \( 1840 = 2^{4} \cdot 5 \cdot 23 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1840.cj (of order \(44\) and degree \(20\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 1840 \)
Character field: \(\Q(\zeta_{44})\)
Sturm bound: \(576\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(1840, [\chi])\).

Total New Old
Modular forms 5840 5840 0
Cusp forms 5680 5680 0
Eisenstein series 160 160 0

Trace form

\( 5680 q - 36 q^{4} - 22 q^{5} - 36 q^{6} - 22 q^{10} - 44 q^{11} - 44 q^{14} - 44 q^{16} - 44 q^{19} - 22 q^{20} - 44 q^{21} - 72 q^{24} - 76 q^{26} - 36 q^{29} - 22 q^{30} + 2 q^{35} - 100 q^{36} - 72 q^{39}+ \cdots - 44 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Decomposition of \(S_{2}^{\mathrm{new}}(1840, [\chi])\) into newform subspaces

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