Properties

Label 2268.2.dd
Level $2268$
Weight $2$
Character orbit 2268.dd
Rep. character $\chi_{2268}(155,\cdot)$
Character field $\Q(\zeta_{54})$
Dimension $5832$
Sturm bound $864$

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Defining parameters

Level: \( N \) \(=\) \( 2268 = 2^{2} \cdot 3^{4} \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2268.dd (of order \(54\) and degree \(18\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 324 \)
Character field: \(\Q(\zeta_{54})\)
Sturm bound: \(864\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(2268, [\chi])\).

Total New Old
Modular forms 7848 5832 2016
Cusp forms 7704 5832 1872
Eisenstein series 144 0 144

Trace form

\( 5832 q + O(q^{10}) \) \( 5832 q + 144 q^{44} + 234 q^{50} + 234 q^{60} + 144 q^{66} + 36 q^{89} - 126 q^{90} + 216 q^{93} - 234 q^{96} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(2268, [\chi])\) into newform subspaces

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

Decomposition of \(S_{2}^{\mathrm{old}}(2268, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(2268, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(324, [\chi])\)\(^{\oplus 2}\)