Properties

Label 720.6.by
Level $720$
Weight $6$
Character orbit 720.by
Rep. character $\chi_{720}(49,\cdot)$
Character field $\Q(\zeta_{6})$
Dimension $356$
Sturm bound $864$

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Defining parameters

Level: \( N \) \(=\) \( 720 = 2^{4} \cdot 3^{2} \cdot 5 \)
Weight: \( k \) \(=\) \( 6 \)
Character orbit: \([\chi]\) \(=\) 720.by (of order \(6\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 45 \)
Character field: \(\Q(\zeta_{6})\)
Sturm bound: \(864\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{6}(720, [\chi])\).

Total New Old
Modular forms 1464 364 1100
Cusp forms 1416 356 1060
Eisenstein series 48 8 40

Trace form

\( 356 q - q^{5} - 4 q^{9} + O(q^{10}) \) \( 356 q - q^{5} - 4 q^{9} - 1450 q^{11} - 1189 q^{15} + 8 q^{19} - 1310 q^{21} - q^{25} + 3978 q^{29} + 2 q^{31} + 6254 q^{35} - 1790 q^{39} - 2 q^{41} + 3123 q^{45} + 398564 q^{49} - 38108 q^{51} - 6246 q^{55} + 125318 q^{59} - 2 q^{61} - 18243 q^{65} + 9930 q^{69} - 399768 q^{71} + 229701 q^{75} + 2 q^{79} + 270064 q^{81} + 3124 q^{85} + 3152 q^{89} + 67236 q^{91} - 199896 q^{95} - 24874 q^{99} + O(q^{100}) \)

Decomposition of \(S_{6}^{\mathrm{new}}(720, [\chi])\) into newform subspaces

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

Decomposition of \(S_{6}^{\mathrm{old}}(720, [\chi])\) into lower level spaces

\( S_{6}^{\mathrm{old}}(720, [\chi]) \cong \) \(S_{6}^{\mathrm{new}}(45, [\chi])\)\(^{\oplus 5}\)\(\oplus\)\(S_{6}^{\mathrm{new}}(90, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{6}^{\mathrm{new}}(180, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{6}^{\mathrm{new}}(360, [\chi])\)\(^{\oplus 2}\)