Properties

Label 1680.4.f
Level $1680$
Weight $4$
Character orbit 1680.f
Rep. character $\chi_{1680}(881,\cdot)$
Character field $\Q$
Dimension $192$
Sturm bound $1536$

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Defining parameters

Level: \( N \) \(=\) \( 1680 = 2^{4} \cdot 3 \cdot 5 \cdot 7 \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 1680.f (of order \(2\) and degree \(1\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 21 \)
Character field: \(\Q\)
Sturm bound: \(1536\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{4}(1680, [\chi])\).

Total New Old
Modular forms 1176 192 984
Cusp forms 1128 192 936
Eisenstein series 48 0 48

Trace form

\( 192 q - 36 q^{7} - 68 q^{21} + 4800 q^{25} - 276 q^{39} - 1176 q^{43} - 360 q^{49} - 1556 q^{51} + 20 q^{63} - 120 q^{67} - 24 q^{79} - 616 q^{81} - 6528 q^{91} - 224 q^{93} - 636 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Decomposition of \(S_{4}^{\mathrm{new}}(1680, [\chi])\) into newform subspaces

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

Decomposition of \(S_{4}^{\mathrm{old}}(1680, [\chi])\) into lower level spaces

\( S_{4}^{\mathrm{old}}(1680, [\chi]) \simeq \) \(S_{4}^{\mathrm{new}}(21, [\chi])\)\(^{\oplus 10}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(42, [\chi])\)\(^{\oplus 8}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(84, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(105, [\chi])\)\(^{\oplus 5}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(168, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(210, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(336, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(420, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(840, [\chi])\)\(^{\oplus 2}\)