Properties

Label 1872.4.bf
Level $1872$
Weight $4$
Character orbit 1872.bf
Rep. character $\chi_{1872}(1279,\cdot)$
Character field $\Q(\zeta_{4})$
Dimension $210$
Sturm bound $1344$

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Defining parameters

Level: \( N \) \(=\) \( 1872 = 2^{4} \cdot 3^{2} \cdot 13 \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 1872.bf (of order \(4\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 52 \)
Character field: \(\Q(i)\)
Sturm bound: \(1344\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{4}(1872, [\chi])\).

Total New Old
Modular forms 2064 210 1854
Cusp forms 1968 210 1758
Eisenstein series 96 0 96

Trace form

\( 210 q - 6 q^{5} + O(q^{10}) \) \( 210 q - 6 q^{5} - 702 q^{37} - 1242 q^{41} - 540 q^{53} - 1068 q^{61} - 1626 q^{65} - 438 q^{73} + 2100 q^{85} + 4542 q^{89} + 690 q^{97} + O(q^{100}) \)

Decomposition of \(S_{4}^{\mathrm{new}}(1872, [\chi])\) into newform subspaces

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

Decomposition of \(S_{4}^{\mathrm{old}}(1872, [\chi])\) into lower level spaces

\( S_{4}^{\mathrm{old}}(1872, [\chi]) \cong \)