Properties

Label 65.2.n
Level 65
Weight 2
Character orbit n
Rep. character \(\chi_{65}(9,\cdot)\)
Character field \(\Q(\zeta_{6})\)
Dimension 12
Newforms 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.n (of order \(6\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) = \( 65 \)
Character field: \(\Q(\zeta_{6})\)
Newforms: \( 1 \)
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 20 20 0
Cusp forms 12 12 0
Eisenstein series 8 8 0

Trace form

\( 12q + 4q^{4} - 6q^{5} - 10q^{6} + 6q^{9} + O(q^{10}) \) \( 12q + 4q^{4} - 6q^{5} - 10q^{6} + 6q^{9} + 7q^{10} - 44q^{14} - 4q^{15} - 16q^{16} + 12q^{19} - q^{20} - 8q^{21} + 32q^{24} - 2q^{25} + 24q^{26} + 18q^{29} + 4q^{30} - 16q^{31} + 16q^{34} + 10q^{35} - 2q^{36} - 32q^{39} + 70q^{40} + 14q^{41} - 4q^{44} - 29q^{45} + 10q^{46} + 6q^{49} - 31q^{50} + 24q^{51} - 22q^{54} - 26q^{55} - 16q^{56} - 4q^{59} - 96q^{60} + 6q^{61} - 12q^{64} + 23q^{65} + 4q^{66} - 24q^{69} + 20q^{70} - 12q^{71} + 8q^{74} + 2q^{75} - 10q^{76} - 104q^{79} + 33q^{80} + 14q^{81} + 90q^{84} + 21q^{85} - 4q^{86} + 20q^{89} + 62q^{90} - 44q^{91} + 56q^{94} + 20q^{95} + 12q^{96} + 104q^{99} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(65, [\chi])\) into irreducible Hecke orbits

Label Dim. \(A\) Field CM Traces $q$-expansion
\(a_2\) \(a_3\) \(a_5\) \(a_7\)
65.2.n.a \(12\) \(0.519\) \(\mathbb{Q}[x]/(x^{12} - \cdots)\) None \(0\) \(0\) \(-6\) \(0\) \(q-\beta _{4}q^{2}+(\beta _{4}-\beta _{11})q^{3}+(-\beta _{2}-\beta _{6}+\cdots)q^{4}+\cdots\)