Properties

Label 1872.4.fc
Level $1872$
Weight $4$
Character orbit 1872.fc
Rep. character $\chi_{1872}(35,\cdot)$
Character field $\Q(\zeta_{12})$
Dimension $1344$
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.fc (of order \(12\) and degree \(4\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 624 \)
Character field: \(\Q(\zeta_{12})\)
Sturm bound: \(1344\)

Dimensions

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

Total New Old
Modular forms 4064 1344 2720
Cusp forms 4000 1344 2656
Eisenstein series 64 0 64

Trace form

\( 1344 q + O(q^{10}) \) \( 1344 q + 936 q^{22} + 72 q^{28} + 3120 q^{40} - 864 q^{43} + 2880 q^{46} - 32928 q^{49} - 72 q^{52} + 576 q^{55} + 4032 q^{70} + 1440 q^{76} - 9240 q^{82} - 168 q^{88} + 3600 q^{91} - 4680 q^{94} + O(q^{100}) \)

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

\( S_{4}^{\mathrm{old}}(1872, [\chi]) \cong \) \(S_{4}^{\mathrm{new}}(624, [\chi])\)\(^{\oplus 2}\)