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Properties

Label 1296.2.k
Level $1296$
Weight $2$
Character orbit 1296.k
Rep. character $\chi_{1296}(325,\cdot)$
Character field $\Q(\zeta_{4})$
Dimension $184$
Sturm bound $432$

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Defining parameters

Level: \( N \) \(=\) \( 1296 = 2^{4} \cdot 3^{4} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1296.k (of order \(4\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 16 \)
Character field: \(\Q(i)\)
Sturm bound: \(432\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(1296, [\chi])\).

Total New Old
Modular forms 456 200 256
Cusp forms 408 184 224
Eisenstein series 48 16 32

Trace form

\( 184 q + 4 q^{4} + O(q^{10}) \) \( 184 q + 4 q^{4} - 8 q^{10} + 4 q^{13} - 20 q^{16} - 8 q^{19} + 4 q^{22} - 24 q^{28} + 8 q^{31} + 12 q^{34} - 8 q^{37} + 4 q^{40} + 4 q^{43} - 40 q^{46} - 128 q^{49} + 4 q^{52} + 64 q^{58} + 4 q^{61} - 44 q^{64} - 44 q^{67} + 48 q^{70} + 100 q^{76} + 8 q^{79} - 52 q^{82} + 24 q^{85} - 20 q^{88} - 36 q^{91} - 12 q^{94} + 8 q^{97} + O(q^{100}) \)

Display 100 coefficients 10 coefficients

Decomposition of \(S_{2}^{\mathrm{new}}(1296, [\chi])\) into newform subspaces

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

Decomposition of \(S_{2}^{\mathrm{old}}(1296, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(1296, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(16, [\chi])\)\(^{\oplus 5}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(48, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(144, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(432, [\chi])\)\(^{\oplus 2}\)