Properties

Label 1260.1.eb
Level $1260$
Weight $1$
Character orbit 1260.eb
Rep. character $\chi_{1260}(223,\cdot)$
Character field $\Q(\zeta_{12})$
Dimension $16$
Newform subspaces $2$
Sturm bound $288$
Trace bound $2$

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Defining parameters

Level: \( N \) \(=\) \( 1260 = 2^{2} \cdot 3^{2} \cdot 5 \cdot 7 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 1260.eb (of order \(12\) and degree \(4\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 1260 \)
Character field: \(\Q(\zeta_{12})\)
Newform subspaces: \( 2 \)
Sturm bound: \(288\)
Trace bound: \(2\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{1}(1260, [\chi])\).

Total New Old
Modular forms 48 48 0
Cusp forms 16 16 0
Eisenstein series 32 32 0

The following table gives the dimensions of subspaces with specified projective image type.

\(D_n\) \(A_4\) \(S_4\) \(A_5\)
Dimension 0 0 16 0

Trace form

\( 16 q - 4 q^{2} + 8 q^{8} + O(q^{10}) \) \( 16 q - 4 q^{2} + 8 q^{8} - 8 q^{16} - 4 q^{18} + 8 q^{21} - 4 q^{22} + 8 q^{30} - 4 q^{32} + 4 q^{42} + 4 q^{50} + 16 q^{53} + 16 q^{57} - 8 q^{60} + 4 q^{70} - 8 q^{72} - 8 q^{78} - 16 q^{81} - 8 q^{85} - 8 q^{86} + 4 q^{88} - 8 q^{98} + O(q^{100}) \)

Decomposition of \(S_{1}^{\mathrm{new}}(1260, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field Image CM RM Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
1260.1.eb.a 1260.eb 1260.db $8$ $0.629$ \(\Q(\zeta_{24})\) $S_{4}$ None None \(-4\) \(0\) \(0\) \(0\) \(q-\zeta_{24}^{4}q^{2}+\zeta_{24}^{3}q^{3}+\zeta_{24}^{8}q^{4}+\cdots\)
1260.1.eb.b 1260.eb 1260.db $8$ $0.629$ \(\Q(\zeta_{24})\) $S_{4}$ None None \(0\) \(0\) \(0\) \(0\) \(q+\zeta_{24}^{10}q^{2}+\zeta_{24}^{3}q^{3}-\zeta_{24}^{8}q^{4}+\cdots\)