Properties

Label 1400.2.co
Level $1400$
Weight $2$
Character orbit 1400.co
Rep. character $\chi_{1400}(97,\cdot)$
Character field $\Q(\zeta_{20})$
Dimension $480$
Sturm bound $480$

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Defining parameters

Level: \( N \) \(=\) \( 1400 = 2^{3} \cdot 5^{2} \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1400.co (of order \(20\) and degree \(8\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 175 \)
Character field: \(\Q(\zeta_{20})\)
Sturm bound: \(480\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(1400, [\chi])\).

Total New Old
Modular forms 1984 480 1504
Cusp forms 1856 480 1376
Eisenstein series 128 0 128

Trace form

\( 480 q - 4 q^{7} + O(q^{10}) \) \( 480 q - 4 q^{7} + 8 q^{15} + 32 q^{23} - 8 q^{25} - 12 q^{35} + 8 q^{37} - 40 q^{39} + 64 q^{43} - 64 q^{53} + 160 q^{57} - 20 q^{63} + 48 q^{65} + 32 q^{67} + 40 q^{77} + 120 q^{81} - 16 q^{85} + 48 q^{93} - 96 q^{95} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(1400, [\chi])\) into newform subspaces

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

Decomposition of \(S_{2}^{\mathrm{old}}(1400, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(1400, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(175, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(350, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(700, [\chi])\)\(^{\oplus 2}\)