Properties

Label 480.2.d
Level $480$
Weight $2$
Character orbit 480.d
Rep. character $\chi_{480}(49,\cdot)$
Character field $\Q$
Dimension $12$
Newform subspaces $2$
Sturm bound $192$
Trace bound $3$

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Defining parameters

Level: \( N \) \(=\) \( 480 = 2^{5} \cdot 3 \cdot 5 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 480.d (of order \(2\) and degree \(1\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 40 \)
Character field: \(\Q\)
Newform subspaces: \( 2 \)
Sturm bound: \(192\)
Trace bound: \(3\)
Distinguishing \(T_p\): \(13\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(480, [\chi])\).

Total New Old
Modular forms 112 12 100
Cusp forms 80 12 68
Eisenstein series 32 0 32

Trace form

\( 12 q + 12 q^{9} + O(q^{10}) \) \( 12 q + 12 q^{9} + 4 q^{25} + 32 q^{31} + 16 q^{39} - 8 q^{41} - 12 q^{49} + 16 q^{55} - 24 q^{65} - 32 q^{71} - 32 q^{79} + 12 q^{81} - 40 q^{89} - 64 q^{95} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(480, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field CM Minimal twist Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
480.2.d.a 480.d 40.f $6$ $3.833$ 6.0.839056.1 None 120.2.d.a \(0\) \(-6\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q-q^{3}-\beta _{2}q^{5}-\beta _{1}q^{7}+q^{9}+(\beta _{1}+\beta _{5})q^{11}+\cdots\)
480.2.d.b 480.d 40.f $6$ $3.833$ 6.0.839056.1 None 120.2.d.a \(0\) \(6\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+q^{3}+\beta _{4}q^{5}+\beta _{1}q^{7}+q^{9}+(\beta _{1}+\beta _{5})q^{11}+\cdots\)

Decomposition of \(S_{2}^{\mathrm{old}}(480, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(480, [\chi]) \simeq \) \(S_{2}^{\mathrm{new}}(40, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(80, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(120, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(160, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(240, [\chi])\)\(^{\oplus 2}\)