Properties

Label 1860.4.f
Level $1860$
Weight $4$
Character orbit 1860.f
Rep. character $\chi_{1860}(991,\cdot)$
Character field $\Q$
Dimension $384$
Sturm bound $1536$

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Defining parameters

Level: \( N \) \(=\) \( 1860 = 2^{2} \cdot 3 \cdot 5 \cdot 31 \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 1860.f (of order \(2\) and degree \(1\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 124 \)
Character field: \(\Q\)
Sturm bound: \(1536\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{4}(1860, [\chi])\).

Total New Old
Modular forms 1160 384 776
Cusp forms 1144 384 760
Eisenstein series 16 0 16

Trace form

\( 384 q + 12 q^{4} + 3456 q^{9} + 60 q^{10} + 208 q^{14} - 20 q^{16} + 80 q^{20} + 9600 q^{25} - 1240 q^{32} + 108 q^{36} - 520 q^{38} - 60 q^{40} - 16656 q^{49} - 1272 q^{56} - 1320 q^{62} - 2868 q^{64}+ \cdots + 9232 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Decomposition of \(S_{4}^{\mathrm{new}}(1860, [\chi])\) into newform subspaces

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

Decomposition of \(S_{4}^{\mathrm{old}}(1860, [\chi])\) into lower level spaces

\( S_{4}^{\mathrm{old}}(1860, [\chi]) \simeq \) \(S_{4}^{\mathrm{new}}(124, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(372, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(620, [\chi])\)\(^{\oplus 2}\)