Properties

Label 627.4.br
Level $627$
Weight $4$
Character orbit 627.br
Rep. character $\chi_{627}(13,\cdot)$
Character field $\Q(\zeta_{90})$
Dimension $2880$
Sturm bound $320$

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Defining parameters

Level: \( N \) \(=\) \( 627 = 3 \cdot 11 \cdot 19 \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 627.br (of order \(90\) and degree \(24\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 209 \)
Character field: \(\Q(\zeta_{90})\)
Sturm bound: \(320\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{4}(627, [\chi])\).

Total New Old
Modular forms 5856 2880 2976
Cusp forms 5664 2880 2784
Eisenstein series 192 0 192

Trace form

\( 2880 q + 60 q^{7} - 84 q^{11} - 144 q^{14} + 144 q^{15} - 60 q^{17} + 1884 q^{20} + 384 q^{22} - 1188 q^{25} - 912 q^{26} - 4200 q^{29} + 180 q^{31} + 288 q^{33} - 1560 q^{34} + 5904 q^{38} + 13020 q^{40}+ \cdots - 756 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Decomposition of \(S_{4}^{\mathrm{new}}(627, [\chi])\) into newform subspaces

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

Decomposition of \(S_{4}^{\mathrm{old}}(627, [\chi])\) into lower level spaces

\( S_{4}^{\mathrm{old}}(627, [\chi]) \simeq \) \(S_{4}^{\mathrm{new}}(209, [\chi])\)\(^{\oplus 2}\)