Properties

Label 3936.2.bh
Level $3936$
Weight $2$
Character orbit 3936.bh
Rep. character $\chi_{3936}(409,\cdot)$
Character field $\Q(\zeta_{4})$
Dimension $0$
Newform subspaces $0$
Sturm bound $1344$
Trace bound $0$

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Defining parameters

Level: \( N \) \(=\) \( 3936 = 2^{5} \cdot 3 \cdot 41 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 3936.bh (of order \(4\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 656 \)
Character field: \(\Q(i)\)
Newform subspaces: \( 0 \)
Sturm bound: \(1344\)
Trace bound: \(0\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(3936, [\chi])\).

Total New Old
Modular forms 1360 0 1360
Cusp forms 1328 0 1328
Eisenstein series 32 0 32

Decomposition of \(S_{2}^{\mathrm{old}}(3936, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(3936, [\chi]) \simeq \) \(S_{2}^{\mathrm{new}}(656, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(1968, [\chi])\)\(^{\oplus 2}\)