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Properties

Label 65.2.l
Level $65$
Weight $2$
Character orbit 65.l
Rep. character $\chi_{65}(4,\cdot)$
Character field $\Q(\zeta_{6})$
Dimension $8$
Newform subspaces $1$
Sturm bound $14$
Trace bound $0$

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Defining parameters

Level: \( N \) \(=\) \( 65 = 5 \cdot 13 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 65.l (of order \(6\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 65 \)
Character field: \(\Q(\zeta_{6})\)
Newform subspaces: \( 1 \)
Sturm bound: \(14\)
Trace bound: \(0\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(65, [\chi])\).

Total New Old
Modular forms 16 16 0
Cusp forms 8 8 0
Eisenstein series 8 8 0

Trace form

\( 8 q - 2 q^{4} - 6 q^{6} - 8 q^{9} + O(q^{10}) \) \( 8 q - 2 q^{4} - 6 q^{6} - 8 q^{9} - 4 q^{10} + 12 q^{14} - 6 q^{15} - 2 q^{16} - 12 q^{19} + 24 q^{20} + 12 q^{24} - 18 q^{26} - 10 q^{30} + 6 q^{35} - 4 q^{36} + 20 q^{39} - 12 q^{40} + 12 q^{45} + 42 q^{46} + 16 q^{49} - 12 q^{50} + 30 q^{54} - 14 q^{55} - 12 q^{56} - 60 q^{59} + 24 q^{61} - 64 q^{64} - 24 q^{65} - 28 q^{66} + 12 q^{71} - 42 q^{74} - 8 q^{75} + 6 q^{76} + 48 q^{79} + 18 q^{80} - 4 q^{81} - 6 q^{84} + 42 q^{85} + 48 q^{89} + 16 q^{90} - 12 q^{91} + 40 q^{94} - 6 q^{95} + O(q^{100}) \)

Display 100 coefficients 10 coefficients

Decomposition of \(S_{2}^{\mathrm{new}}(65, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field CM Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
65.2.l.a 65.l 65.l $8$ $0.519$ 8.0.49787136.1 None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{6}]$ \(q+(\beta _{1}+\beta _{5})q^{2}+(\beta _{3}+\beta _{5})q^{3}+(\beta _{2}+\beta _{4}+\cdots)q^{4}+\cdots\)