Properties

Label 768.5.g
Level $768$
Weight $5$
Character orbit 768.g
Rep. character $\chi_{768}(511,\cdot)$
Character field $\Q$
Dimension $64$
Newform subspaces $11$
Sturm bound $640$
Trace bound $17$

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Defining parameters

Level: \( N \) \(=\) \( 768 = 2^{8} \cdot 3 \)
Weight: \( k \) \(=\) \( 5 \)
Character orbit: \([\chi]\) \(=\) 768.g (of order \(2\) and degree \(1\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 4 \)
Character field: \(\Q\)
Newform subspaces: \( 11 \)
Sturm bound: \(640\)
Trace bound: \(17\)
Distinguishing \(T_p\): \(5\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{5}(768, [\chi])\).

Total New Old
Modular forms 536 64 472
Cusp forms 488 64 424
Eisenstein series 48 0 48

Trace form

\( 64 q - 1728 q^{9} + O(q^{10}) \) \( 64 q - 1728 q^{9} + 8000 q^{25} - 27968 q^{49} + 14976 q^{57} + 8064 q^{65} - 35840 q^{73} + 46656 q^{81} + 24960 q^{89} - 896 q^{97} + O(q^{100}) \)

Decomposition of \(S_{5}^{\mathrm{new}}(768, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field CM Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
768.5.g.a 768.g 4.b $2$ $79.388$ \(\Q(\sqrt{-3}) \) None \(0\) \(0\) \(-24\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q-\zeta_{6}q^{3}-12q^{5}+12\zeta_{6}q^{7}-3^{3}q^{9}+\cdots\)
768.5.g.b 768.g 4.b $2$ $79.388$ \(\Q(\sqrt{-3}) \) None \(0\) \(0\) \(24\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q-\zeta_{6}q^{3}+12q^{5}-12\zeta_{6}q^{7}-3^{3}q^{9}+\cdots\)
768.5.g.c 768.g 4.b $4$ $79.388$ \(\Q(\sqrt{-3}, \sqrt{7})\) None \(0\) \(0\) \(-32\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q-\beta _{2}q^{3}+(-8-\beta _{3})q^{5}+(\beta _{1}+5\beta _{2}+\cdots)q^{7}+\cdots\)
768.5.g.d 768.g 4.b $4$ $79.388$ \(\Q(\sqrt{-3}, \sqrt{-19})\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q-3\beta _{1}q^{3}+\beta _{2}q^{5}-\beta _{3}q^{7}-3^{3}q^{9}+\cdots\)
768.5.g.e 768.g 4.b $4$ $79.388$ \(\Q(\zeta_{12})\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q-3\zeta_{12}^{2}q^{3}+7\zeta_{12}^{3}q^{5}+29\zeta_{12}q^{7}+\cdots\)
768.5.g.f 768.g 4.b $4$ $79.388$ \(\Q(\zeta_{12})\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q-3\zeta_{12}^{2}q^{3}+\zeta_{12}^{3}q^{5}-\zeta_{12}q^{7}+\cdots\)
768.5.g.g 768.g 4.b $4$ $79.388$ \(\Q(\sqrt{-3}, \sqrt{7})\) None \(0\) \(0\) \(32\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+\beta _{2}q^{3}+(8-\beta _{3})q^{5}+(-\beta _{1}+5\beta _{2}+\cdots)q^{7}+\cdots\)
768.5.g.h 768.g 4.b $8$ $79.388$ \(\mathbb{Q}[x]/(x^{8} - \cdots)\) None \(0\) \(0\) \(-96\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q-\beta _{2}q^{3}+(-12-\beta _{3})q^{5}+(-\beta _{4}+\beta _{5}+\cdots)q^{7}+\cdots\)
768.5.g.i 768.g 4.b $8$ $79.388$ 8.0.\(\cdots\).10 None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q-3\beta _{1}q^{3}+(2\beta _{2}-\beta _{5})q^{5}+(5\beta _{3}-\beta _{4}+\cdots)q^{7}+\cdots\)
768.5.g.j 768.g 4.b $8$ $79.388$ \(\mathbb{Q}[x]/(x^{8} - \cdots)\) None \(0\) \(0\) \(96\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q-\beta _{2}q^{3}+(12+\beta _{3})q^{5}+(\beta _{4}-\beta _{5}+\beta _{7})q^{7}+\cdots\)
768.5.g.k 768.g 4.b $16$ $79.388$ \(\mathbb{Q}[x]/(x^{16} + \cdots)\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{2}]$ \(q+\beta _{1}q^{3}+\beta _{2}q^{5}-\beta _{6}q^{7}-3^{3}q^{9}+\cdots\)

Decomposition of \(S_{5}^{\mathrm{old}}(768, [\chi])\) into lower level spaces

\( S_{5}^{\mathrm{old}}(768, [\chi]) \cong \) \(S_{5}^{\mathrm{new}}(4, [\chi])\)\(^{\oplus 14}\)\(\oplus\)\(S_{5}^{\mathrm{new}}(8, [\chi])\)\(^{\oplus 12}\)\(\oplus\)\(S_{5}^{\mathrm{new}}(12, [\chi])\)\(^{\oplus 7}\)\(\oplus\)\(S_{5}^{\mathrm{new}}(16, [\chi])\)\(^{\oplus 10}\)\(\oplus\)\(S_{5}^{\mathrm{new}}(24, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{5}^{\mathrm{new}}(32, [\chi])\)\(^{\oplus 8}\)\(\oplus\)\(S_{5}^{\mathrm{new}}(48, [\chi])\)\(^{\oplus 5}\)\(\oplus\)\(S_{5}^{\mathrm{new}}(64, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{5}^{\mathrm{new}}(96, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{5}^{\mathrm{new}}(128, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{5}^{\mathrm{new}}(192, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{5}^{\mathrm{new}}(256, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{5}^{\mathrm{new}}(384, [\chi])\)\(^{\oplus 2}\)