Properties

Label 1288.2.ba
Level $1288$
Weight $2$
Character orbit 1288.ba
Rep. character $\chi_{1288}(689,\cdot)$
Character field $\Q(\zeta_{6})$
Dimension $96$
Newform subspaces $2$
Sturm bound $384$
Trace bound $3$

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Defining parameters

Level: \( N \) \(=\) \( 1288 = 2^{3} \cdot 7 \cdot 23 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1288.ba (of order \(6\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 161 \)
Character field: \(\Q(\zeta_{6})\)
Newform subspaces: \( 2 \)
Sturm bound: \(384\)
Trace bound: \(3\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(1288, [\chi])\).

Total New Old
Modular forms 400 96 304
Cusp forms 368 96 272
Eisenstein series 32 0 32

Trace form

\( 96 q + 44 q^{9} + O(q^{10}) \) \( 96 q + 44 q^{9} - 10 q^{23} - 56 q^{25} + 24 q^{29} + 20 q^{35} - 20 q^{39} - 36 q^{47} + 52 q^{49} - 24 q^{59} - 24 q^{73} + 48 q^{75} - 12 q^{77} - 56 q^{81} - 56 q^{85} - 108 q^{87} + 72 q^{93} - 16 q^{95} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(1288, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field CM Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
1288.2.ba.a 1288.ba 161.g $48$ $10.285$ None \(0\) \(-6\) \(0\) \(0\) $\mathrm{SU}(2)[C_{6}]$
1288.2.ba.b 1288.ba 161.g $48$ $10.285$ None \(0\) \(6\) \(0\) \(0\) $\mathrm{SU}(2)[C_{6}]$

Decomposition of \(S_{2}^{\mathrm{old}}(1288, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(1288, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(161, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(322, [\chi])\)\(^{\oplus 3}\)