Properties

Label 1976.2.bz
Level $1976$
Weight $2$
Character orbit 1976.bz
Rep. character $\chi_{1976}(881,\cdot)$
Character field $\Q(\zeta_{6})$
Dimension $140$
Sturm bound $560$

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Defining parameters

Level: \( N \) \(=\) \( 1976 = 2^{3} \cdot 13 \cdot 19 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1976.bz (of order \(6\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 247 \)
Character field: \(\Q(\zeta_{6})\)
Sturm bound: \(560\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(1976, [\chi])\).

Total New Old
Modular forms 576 140 436
Cusp forms 544 140 404
Eisenstein series 32 0 32

Trace form

\( 140 q + 4 q^{3} + 6 q^{7} - 70 q^{9} - 6 q^{11} - 2 q^{13} - 4 q^{17} + 6 q^{21} + 16 q^{23} + 70 q^{25} - 32 q^{27} + 28 q^{29} - 4 q^{35} - 14 q^{39} + 16 q^{43} - 24 q^{47} + 70 q^{49} - 24 q^{51} - 6 q^{53}+ \cdots + 30 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Decomposition of \(S_{2}^{\mathrm{new}}(1976, [\chi])\) into newform subspaces

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

Decomposition of \(S_{2}^{\mathrm{old}}(1976, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(1976, [\chi]) \simeq \) \(S_{2}^{\mathrm{new}}(247, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(494, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(988, [\chi])\)\(^{\oplus 2}\)