Properties

Label 578.2.d
Level $578$
Weight $2$
Character orbit 578.d
Rep. character $\chi_{578}(155,\cdot)$
Character field $\Q(\zeta_{8})$
Dimension $92$
Newform subspaces $9$
Sturm bound $153$
Trace bound $18$

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Defining parameters

Level: \( N \) \(=\) \( 578 = 2 \cdot 17^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 578.d (of order \(8\) and degree \(4\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 17 \)
Character field: \(\Q(\zeta_{8})\)
Newform subspaces: \( 9 \)
Sturm bound: \(153\)
Trace bound: \(18\)
Distinguishing \(T_p\): \(3\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(578, [\chi])\).

Total New Old
Modular forms 380 92 288
Cusp forms 236 92 144
Eisenstein series 144 0 144

Trace form

\( 92 q + 8 q^{5} + 4 q^{9} + O(q^{10}) \) \( 92 q + 8 q^{5} + 4 q^{9} + 8 q^{10} - 4 q^{11} - 4 q^{12} - 8 q^{14} - 8 q^{15} - 92 q^{16} - 20 q^{18} - 8 q^{19} - 8 q^{22} + 16 q^{23} - 4 q^{24} - 16 q^{25} + 8 q^{26} + 12 q^{27} + 8 q^{28} + 48 q^{33} - 16 q^{35} + 4 q^{36} + 8 q^{37} - 16 q^{41} - 8 q^{42} - 12 q^{43} - 8 q^{44} - 8 q^{45} + 16 q^{49} + 4 q^{50} - 24 q^{52} - 8 q^{53} - 4 q^{54} - 8 q^{57} + 4 q^{59} + 8 q^{60} - 16 q^{61} + 8 q^{63} + 16 q^{65} + 12 q^{66} + 56 q^{67} - 32 q^{69} + 16 q^{70} + 8 q^{71} - 8 q^{74} + 28 q^{75} + 8 q^{76} - 8 q^{77} + 8 q^{79} - 8 q^{80} - 20 q^{82} - 12 q^{83} + 16 q^{84} + 8 q^{86} - 8 q^{87} - 4 q^{88} - 32 q^{91} + 8 q^{93} - 16 q^{94} + 12 q^{97} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(578, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field CM Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
578.2.d.a 578.d 17.d $4$ $4.615$ \(\Q(\zeta_{8})\) None \(0\) \(-4\) \(0\) \(-8\) $\mathrm{SU}(2)[C_{8}]$ \(q+\zeta_{8}^{3}q^{2}+(-1-\zeta_{8})q^{3}-\zeta_{8}^{2}q^{4}+\cdots\)
578.2.d.b 578.d 17.d $4$ $4.615$ \(\Q(\zeta_{8})\) None \(0\) \(0\) \(8\) \(0\) $\mathrm{SU}(2)[C_{8}]$ \(q+\zeta_{8}^{3}q^{2}+(-\zeta_{8}^{2}+\zeta_{8}^{3})q^{3}-\zeta_{8}^{2}q^{4}+\cdots\)
578.2.d.c 578.d 17.d $4$ $4.615$ \(\Q(\zeta_{8})\) None \(0\) \(4\) \(0\) \(8\) $\mathrm{SU}(2)[C_{8}]$ \(q+\zeta_{8}^{3}q^{2}+(1+\zeta_{8})q^{3}-\zeta_{8}^{2}q^{4}+(2\zeta_{8}^{2}+\cdots)q^{5}+\cdots\)
578.2.d.d 578.d 17.d $8$ $4.615$ \(\Q(\zeta_{16})\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{8}]$ \(q+\zeta_{16}q^{2}+\zeta_{16}^{6}q^{3}+\zeta_{16}^{2}q^{4}-2\zeta_{16}^{3}q^{5}+\cdots\)
578.2.d.e 578.d 17.d $8$ $4.615$ \(\Q(\zeta_{16})\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{8}]$ \(q+\zeta_{16}^{6}q^{2}+\zeta_{16}^{5}q^{3}-\zeta_{16}^{4}q^{4}+\cdots\)
578.2.d.f 578.d 17.d $8$ $4.615$ \(\Q(\zeta_{16})\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{8}]$ \(q-\zeta_{16}q^{2}+\zeta_{16}^{2}q^{4}+\zeta_{16}^{3}q^{5}-\zeta_{16}^{4}q^{8}+\cdots\)
578.2.d.g 578.d 17.d $8$ $4.615$ \(\Q(\zeta_{16})\) None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{8}]$ \(q+\zeta_{16}q^{2}+\zeta_{16}^{6}q^{3}+\zeta_{16}^{2}q^{4}+\zeta_{16}^{3}q^{5}+\cdots\)
578.2.d.h 578.d 17.d $24$ $4.615$ None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{8}]$
578.2.d.i 578.d 17.d $24$ $4.615$ None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{8}]$

Decomposition of \(S_{2}^{\mathrm{old}}(578, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(578, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(17, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(34, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(289, [\chi])\)\(^{\oplus 2}\)