Properties

Label 720.3.l
Level $720$
Weight $3$
Character orbit 720.l
Rep. character $\chi_{720}(161,\cdot)$
Character field $\Q$
Dimension $16$
Newform subspaces $4$
Sturm bound $432$
Trace bound $7$

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Defining parameters

Level: \( N \) \(=\) \( 720 = 2^{4} \cdot 3^{2} \cdot 5 \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 720.l (of order \(2\) and degree \(1\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 3 \)
Character field: \(\Q\)
Newform subspaces: \( 4 \)
Sturm bound: \(432\)
Trace bound: \(7\)
Distinguishing \(T_p\): \(7\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{3}(720, [\chi])\).

Total New Old
Modular forms 312 16 296
Cusp forms 264 16 248
Eisenstein series 48 0 48

Trace form

\( 16 q + 32 q^{7} + O(q^{10}) \) \( 16 q + 32 q^{7} - 96 q^{19} - 80 q^{25} + 96 q^{31} - 64 q^{43} + 80 q^{49} - 32 q^{61} + 64 q^{67} + 160 q^{73} + 32 q^{79} + 160 q^{85} - 128 q^{91} - 224 q^{97} + O(q^{100}) \)

Decomposition of \(S_{3}^{\mathrm{new}}(720, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field CM Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
720.3.l.a 720.l 3.b $4$ $19.619$ \(\Q(\sqrt{-2}, \sqrt{-5})\) None \(0\) \(0\) \(0\) \(-16\) $\mathrm{SU}(2)[C_{2}]$ \(q+\beta _{2}q^{5}+(-4-\beta _{3})q^{7}+(-7\beta _{1}+2\beta _{2}+\cdots)q^{11}+\cdots\)
720.3.l.b 720.l 3.b $4$ $19.619$ \(\Q(\sqrt{-2}, \sqrt{-5})\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q-\beta _{2}q^{5}-\beta _{3}q^{7}+(-\beta _{1}+2\beta _{2})q^{11}+\cdots\)
720.3.l.c 720.l 3.b $4$ $19.619$ \(\Q(\sqrt{-2}, \sqrt{-5})\) None \(0\) \(0\) \(0\) \(16\) $\mathrm{SU}(2)[C_{2}]$ \(q-\beta _{2}q^{5}+(4-\beta _{3})q^{7}+(-\beta _{1}+6\beta _{2}+\cdots)q^{11}+\cdots\)
720.3.l.d 720.l 3.b $4$ $19.619$ \(\Q(\sqrt{-2}, \sqrt{-5})\) None \(0\) \(0\) \(0\) \(32\) $\mathrm{SU}(2)[C_{2}]$ \(q-\beta _{2}q^{5}+(8+\beta _{3})q^{7}+(\beta _{1}-6\beta _{2})q^{11}+\cdots\)

Decomposition of \(S_{3}^{\mathrm{old}}(720, [\chi])\) into lower level spaces

\( S_{3}^{\mathrm{old}}(720, [\chi]) \cong \) \(S_{3}^{\mathrm{new}}(12, [\chi])\)\(^{\oplus 12}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(15, [\chi])\)\(^{\oplus 10}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(18, [\chi])\)\(^{\oplus 8}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(24, [\chi])\)\(^{\oplus 8}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(30, [\chi])\)\(^{\oplus 8}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(36, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(45, [\chi])\)\(^{\oplus 5}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(48, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(60, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(72, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(90, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(120, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(144, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(180, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(240, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{3}^{\mathrm{new}}(360, [\chi])\)\(^{\oplus 2}\)