Properties

Label 900.6.bk
Level $900$
Weight $6$
Character orbit 900.bk
Rep. character $\chi_{900}(17,\cdot)$
Character field $\Q(\zeta_{20})$
Dimension $400$
Sturm bound $1080$

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Defining parameters

Level: \( N \) \(=\) \( 900 = 2^{2} \cdot 3^{2} \cdot 5^{2} \)
Weight: \( k \) \(=\) \( 6 \)
Character orbit: \([\chi]\) \(=\) 900.bk (of order \(20\) and degree \(8\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 75 \)
Character field: \(\Q(\zeta_{20})\)
Sturm bound: \(1080\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{6}(900, [\chi])\).

Total New Old
Modular forms 7296 400 6896
Cusp forms 7104 400 6704
Eisenstein series 192 0 192

Trace form

\( 400 q + 152 q^{7} + O(q^{10}) \) \( 400 q + 152 q^{7} - 252 q^{13} + 17560 q^{19} - 5104 q^{25} - 29988 q^{37} - 6720 q^{43} - 16776 q^{55} - 376272 q^{67} + 274052 q^{73} + 75280 q^{79} - 583508 q^{85} + 123308 q^{97} + O(q^{100}) \)

Decomposition of \(S_{6}^{\mathrm{new}}(900, [\chi])\) into newform subspaces

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

Decomposition of \(S_{6}^{\mathrm{old}}(900, [\chi])\) into lower level spaces

\( S_{6}^{\mathrm{old}}(900, [\chi]) \cong \) \(S_{6}^{\mathrm{new}}(75, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{6}^{\mathrm{new}}(150, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{6}^{\mathrm{new}}(225, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{6}^{\mathrm{new}}(300, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{6}^{\mathrm{new}}(450, [\chi])\)\(^{\oplus 2}\)