Properties

Label 1428.2.ba
Level $1428$
Weight $2$
Character orbit 1428.ba
Rep. character $\chi_{1428}(271,\cdot)$
Character field $\Q(\zeta_{6})$
Dimension $288$
Sturm bound $576$

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Defining parameters

Level: \( N \) \(=\) \( 1428 = 2^{2} \cdot 3 \cdot 7 \cdot 17 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1428.ba (of order \(6\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 476 \)
Character field: \(\Q(\zeta_{6})\)
Sturm bound: \(576\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(1428, [\chi])\).

Total New Old
Modular forms 592 288 304
Cusp forms 560 288 272
Eisenstein series 32 0 32

Trace form

\( 288 q + 144 q^{9} + O(q^{10}) \) \( 288 q + 144 q^{9} + 16 q^{16} - 144 q^{25} - 60 q^{26} + 16 q^{30} + 20 q^{32} + 12 q^{42} - 36 q^{52} - 16 q^{53} + 48 q^{64} + 36 q^{66} - 36 q^{68} + 56 q^{70} + 32 q^{77} - 144 q^{81} + 44 q^{84} + 32 q^{85} - 44 q^{86} + 16 q^{93} - 72 q^{94} - 88 q^{98} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(1428, [\chi])\) into newform subspaces

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

Decomposition of \(S_{2}^{\mathrm{old}}(1428, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(1428, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(476, [\chi])\)\(^{\oplus 2}\)