Properties

Label 3420.2.fh
Level $3420$
Weight $2$
Character orbit 3420.fh
Rep. character $\chi_{3420}(359,\cdot)$
Character field $\Q(\zeta_{18})$
Dimension $1440$
Sturm bound $1440$

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Defining parameters

Level: \( N \) \(=\) \( 3420 = 2^{2} \cdot 3^{2} \cdot 5 \cdot 19 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 3420.fh (of order \(18\) and degree \(6\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 1140 \)
Character field: \(\Q(\zeta_{18})\)
Sturm bound: \(1440\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(3420, [\chi])\).

Total New Old
Modular forms 4416 1440 2976
Cusp forms 4224 1440 2784
Eisenstein series 192 0 192

Trace form

\( 1440 q - 12 q^{4} + O(q^{10}) \) \( 1440 q - 12 q^{4} - 12 q^{16} + 12 q^{34} - 720 q^{49} + 12 q^{64} - 72 q^{70} - 72 q^{76} - 48 q^{85} + 48 q^{94} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(3420, [\chi])\) into newform subspaces

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

Decomposition of \(S_{2}^{\mathrm{old}}(3420, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(3420, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(1140, [\chi])\)\(^{\oplus 2}\)