Properties

Label 6.5.b
Level 6
Weight 5
Character orbit b
Rep. character \(\chi_{6}(5,\cdot)\)
Character field \(\Q\)
Dimension 2
Newforms 1
Sturm bound 5
Trace bound 0

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Defining parameters

Level: \( N \) = \( 6 = 2 \cdot 3 \)
Weight: \( k \) = \( 5 \)
Character orbit: \([\chi]\) = 6.b (of order \(2\) and degree \(1\))
Character conductor: \(\operatorname{cond}(\chi)\) = \( 3 \)
Character field: \(\Q\)
Newforms: \( 1 \)
Sturm bound: \(5\)
Trace bound: \(0\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{5}(6, [\chi])\).

Total New Old
Modular forms 6 2 4
Cusp forms 2 2 0
Eisenstein series 4 0 4

Trace form

\( 2q - 6q^{3} - 16q^{4} + 48q^{6} + 52q^{7} - 126q^{9} + O(q^{10}) \) \( 2q - 6q^{3} - 16q^{4} + 48q^{6} + 52q^{7} - 126q^{9} - 96q^{10} + 48q^{12} + 100q^{13} + 288q^{15} + 128q^{16} - 288q^{18} - 716q^{19} - 156q^{21} + 672q^{22} - 384q^{24} + 674q^{25} + 1242q^{27} - 416q^{28} + 288q^{30} - 1484q^{31} - 2016q^{33} - 1152q^{34} + 1008q^{36} + 3748q^{37} - 300q^{39} + 768q^{40} + 1248q^{42} - 524q^{43} - 1728q^{45} - 2112q^{46} - 384q^{48} - 3450q^{49} + 3456q^{51} - 800q^{52} - 2160q^{54} + 4032q^{55} + 2148q^{57} + 8160q^{58} - 2304q^{60} - 2972q^{61} - 3276q^{63} - 1024q^{64} - 2016q^{66} - 8972q^{67} + 6336q^{69} - 2496q^{70} + 2304q^{72} + 580q^{73} - 2022q^{75} + 5728q^{76} + 2400q^{78} + 19636q^{79} + 2754q^{81} - 13632q^{82} + 1248q^{84} - 6912q^{85} - 24480q^{87} - 5376q^{88} + 6048q^{90} + 2600q^{91} + 4452q^{93} + 9600q^{94} + 3072q^{96} - 956q^{97} + 12096q^{99} + O(q^{100}) \)

Decomposition of \(S_{5}^{\mathrm{new}}(6, [\chi])\) into irreducible Hecke orbits

Label Dim. \(A\) Field CM Traces $q$-expansion
\(a_2\) \(a_3\) \(a_5\) \(a_7\)
6.5.b.a \(2\) \(0.620\) \(\Q(\sqrt{-2}) \) None \(0\) \(-6\) \(0\) \(52\) \(q+\beta q^{2}+(-3-3\beta )q^{3}-8q^{4}+6\beta q^{5}+\cdots\)