Properties

Label 2548.2.cq
Level $2548$
Weight $2$
Character orbit 2548.cq
Rep. character $\chi_{2548}(9,\cdot)$
Character field $\Q(\zeta_{21})$
Dimension $780$
Sturm bound $784$

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Defining parameters

Level: \( N \) \(=\) \( 2548 = 2^{2} \cdot 7^{2} \cdot 13 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2548.cq (of order \(21\) and degree \(12\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 637 \)
Character field: \(\Q(\zeta_{21})\)
Sturm bound: \(784\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(2548, [\chi])\).

Total New Old
Modular forms 4776 780 3996
Cusp forms 4632 780 3852
Eisenstein series 144 0 144

Trace form

\( 780 q - 2 q^{3} - q^{7} - 128 q^{9} - 4 q^{11} - 4 q^{13} + 6 q^{17} - 2 q^{19} + 11 q^{21} + 63 q^{25} + 4 q^{27} - 2 q^{29} - 7 q^{31} - 28 q^{33} - 25 q^{35} + q^{37} + 17 q^{39} - 7 q^{41} + 8 q^{43}+ \cdots - 20 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Decomposition of \(S_{2}^{\mathrm{new}}(2548, [\chi])\) into newform subspaces

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

Decomposition of \(S_{2}^{\mathrm{old}}(2548, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(2548, [\chi]) \simeq \) \(S_{2}^{\mathrm{new}}(637, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(1274, [\chi])\)\(^{\oplus 2}\)