Properties

Label 28665.2.bh
Level $28665$
Weight $2$
Character orbit 28665.bh
Rep. character $\chi_{28665}(10828,\cdot)$
Character field $\Q(\zeta_{4})$
Dimension $2784$
Sturm bound $9408$

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Defining parameters

Level: \( N \) \(=\) \( 28665 = 3^{2} \cdot 5 \cdot 7^{2} \cdot 13 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 28665.bh (of order \(4\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 455 \)
Character field: \(\Q(i)\)
Sturm bound: \(9408\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(28665, [\chi])\).

Total New Old
Modular forms 9536 2816 6720
Cusp forms 9280 2784 6496
Eisenstein series 256 32 224

Decomposition of \(S_{2}^{\mathrm{new}}(28665, [\chi])\) into newform subspaces

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

Decomposition of \(S_{2}^{\mathrm{old}}(28665, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(28665, [\chi]) \simeq \) \(S_{2}^{\mathrm{new}}(455, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(1365, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(3185, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(4095, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(9555, [\chi])\)\(^{\oplus 2}\)