Properties

Label 864.2.bu
Level 864
Weight 2
Character orbit bu
Rep. character \(\chi_{864}(13,\cdot)\)
Character field \(\Q(\zeta_{72})\)
Dimension 3408
Newform subspaces 1
Sturm bound 288
Trace bound 0

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Defining parameters

Level: \( N \) = \( 864 = 2^{5} \cdot 3^{3} \)
Weight: \( k \) = \( 2 \)
Character orbit: \([\chi]\) = 864.bu (of order \(72\) and degree \(24\))
Character conductor: \(\operatorname{cond}(\chi)\) = \( 864 \)
Character field: \(\Q(\zeta_{72})\)
Newform subspaces: \( 1 \)
Sturm bound: \(288\)
Trace bound: \(0\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(864, [\chi])\).

Total New Old
Modular forms 3504 3504 0
Cusp forms 3408 3408 0
Eisenstein series 96 96 0

Trace form

\( 3408q - 24q^{2} - 24q^{3} - 24q^{4} - 24q^{5} - 24q^{6} - 24q^{7} - 12q^{8} - 24q^{9} + O(q^{10}) \) \( 3408q - 24q^{2} - 24q^{3} - 24q^{4} - 24q^{5} - 24q^{6} - 24q^{7} - 12q^{8} - 24q^{9} - 12q^{10} - 24q^{11} - 24q^{12} - 24q^{13} - 24q^{14} - 24q^{16} - 24q^{18} - 12q^{19} - 24q^{20} - 24q^{21} - 24q^{22} - 24q^{23} + 36q^{24} - 24q^{25} - 48q^{26} - 24q^{27} - 48q^{28} - 24q^{29} - 24q^{30} - 48q^{31} - 24q^{32} - 48q^{33} - 48q^{34} - 12q^{35} - 24q^{36} - 12q^{37} - 24q^{38} - 24q^{39} - 24q^{40} - 24q^{41} - 144q^{42} - 24q^{43} - 12q^{44} - 24q^{45} - 12q^{46} - 24q^{48} + 288q^{50} - 60q^{51} - 24q^{52} - 48q^{53} - 24q^{54} - 48q^{55} - 24q^{56} - 24q^{57} + 84q^{58} - 24q^{59} - 24q^{60} - 24q^{61} - 12q^{62} - 48q^{63} - 12q^{64} - 48q^{65} + 168q^{66} - 24q^{67} - 72q^{68} - 24q^{69} - 24q^{70} - 12q^{71} - 24q^{72} - 12q^{73} - 24q^{74} - 24q^{75} - 24q^{76} - 24q^{77} - 24q^{78} - 48q^{80} - 48q^{82} - 144q^{83} - 252q^{84} - 84q^{85} - 24q^{86} - 24q^{87} - 24q^{88} - 12q^{89} - 24q^{90} - 12q^{91} + 204q^{92} - 24q^{93} - 24q^{94} - 48q^{95} - 24q^{96} - 48q^{97} - 12q^{98} - 24q^{99} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(864, [\chi])\) into newform subspaces

Label Dim. \(A\) Field CM Traces $q$-expansion
\(a_2\) \(a_3\) \(a_5\) \(a_7\)
864.2.bu.a \(3408\) \(6.899\) None \(-24\) \(-24\) \(-24\) \(-24\)

Hecke Characteristic Polynomials

There are no characteristic polynomials of Hecke operators in the database