Properties

Label 1421.2.bv
Level $1421$
Weight $2$
Character orbit 1421.bv
Rep. character $\chi_{1421}(165,\cdot)$
Character field $\Q(\zeta_{21})$
Dimension $1152$
Sturm bound $280$

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Defining parameters

Level: \( N \) \(=\) \( 1421 = 7^{2} \cdot 29 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1421.bv (of order \(21\) and degree \(12\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 203 \)
Character field: \(\Q(\zeta_{21})\)
Sturm bound: \(280\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(1421, [\chi])\).

Total New Old
Modular forms 1776 1248 528
Cusp forms 1584 1152 432
Eisenstein series 192 96 96

Trace form

\( 1152 q + 9 q^{2} + 5 q^{3} + 101 q^{4} + 9 q^{5} - 56 q^{8} + 97 q^{9} + 9 q^{10} - 7 q^{11} + 20 q^{12} + 12 q^{13} - 52 q^{15} + 85 q^{16} + 2 q^{17} + 3 q^{18} + 5 q^{19} + 20 q^{20} - 52 q^{22} + 36 q^{23}+ \cdots + 56 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Decomposition of \(S_{2}^{\mathrm{new}}(1421, [\chi])\) into newform subspaces

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

Decomposition of \(S_{2}^{\mathrm{old}}(1421, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(1421, [\chi]) \simeq \) \(S_{2}^{\mathrm{new}}(203, [\chi])\)\(^{\oplus 2}\)