Properties

Label 2720.2.hg
Level $2720$
Weight $2$
Character orbit 2720.hg
Rep. character $\chi_{2720}(411,\cdot)$
Character field $\Q(\zeta_{16})$
Dimension $2304$
Sturm bound $864$

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Defining parameters

Level: \( N \) \(=\) \( 2720 = 2^{5} \cdot 5 \cdot 17 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2720.hg (of order \(16\) and degree \(8\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 544 \)
Character field: \(\Q(\zeta_{16})\)
Sturm bound: \(864\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(2720, [\chi])\).

Total New Old
Modular forms 3488 2304 1184
Cusp forms 3424 2304 1120
Eisenstein series 64 0 64

Trace form

\( 2304 q - 80 q^{14} + 32 q^{19} - 96 q^{22} + 112 q^{24} - 32 q^{31} - 80 q^{32} - 32 q^{34} - 64 q^{46} - 128 q^{48} + 160 q^{51} - 144 q^{56} - 16 q^{60} - 160 q^{63} - 208 q^{66} + 80 q^{68} + 64 q^{69}+ \cdots - 272 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Decomposition of \(S_{2}^{\mathrm{new}}(2720, [\chi])\) into newform subspaces

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

Decomposition of \(S_{2}^{\mathrm{old}}(2720, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(2720, [\chi]) \simeq \) \(S_{2}^{\mathrm{new}}(544, [\chi])\)\(^{\oplus 2}\)