Properties

Label 1764.4.bo
Level $1764$
Weight $4$
Character orbit 1764.bo
Rep. character $\chi_{1764}(253,\cdot)$
Character field $\Q(\zeta_{7})$
Dimension $420$
Sturm bound $1344$

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Defining parameters

Level: \( N \) \(=\) \( 1764 = 2^{2} \cdot 3^{2} \cdot 7^{2} \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 1764.bo (of order \(7\) and degree \(6\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 49 \)
Character field: \(\Q(\zeta_{7})\)
Sturm bound: \(1344\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{4}(1764, [\chi])\).

Total New Old
Modular forms 6120 420 5700
Cusp forms 5976 420 5556
Eisenstein series 144 0 144

Trace form

\( 420 q - 18 q^{5} - 8 q^{7} + O(q^{10}) \) \( 420 q - 18 q^{5} - 8 q^{7} - 42 q^{11} + 6 q^{13} - 176 q^{17} - 112 q^{19} - 182 q^{23} - 1722 q^{25} - 322 q^{29} + 84 q^{31} + 808 q^{35} - 1246 q^{37} - 184 q^{41} - 84 q^{43} + 1004 q^{47} - 1114 q^{49} + 1904 q^{53} - 932 q^{55} + 528 q^{59} + 2764 q^{61} + 1568 q^{65} - 1260 q^{67} + 1722 q^{71} + 644 q^{73} + 1800 q^{77} - 1652 q^{79} + 2298 q^{83} + 2772 q^{85} + 1408 q^{89} - 3028 q^{91} - 2856 q^{95} + 3544 q^{97} + O(q^{100}) \)

Decomposition of \(S_{4}^{\mathrm{new}}(1764, [\chi])\) into newform subspaces

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

Decomposition of \(S_{4}^{\mathrm{old}}(1764, [\chi])\) into lower level spaces

\( S_{4}^{\mathrm{old}}(1764, [\chi]) \cong \) \(S_{4}^{\mathrm{new}}(49, [\chi])\)\(^{\oplus 9}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(98, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(147, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(196, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(294, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(441, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(588, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(882, [\chi])\)\(^{\oplus 2}\)