Properties

Label 810.2.m
Level $810$
Weight $2$
Character orbit 810.m
Rep. character $\chi_{810}(53,\cdot)$
Character field $\Q(\zeta_{12})$
Dimension $96$
Newform subspaces $10$
Sturm bound $324$
Trace bound $10$

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Defining parameters

Level: \( N \) \(=\) \( 810 = 2 \cdot 3^{4} \cdot 5 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 810.m (of order \(12\) and degree \(4\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 45 \)
Character field: \(\Q(\zeta_{12})\)
Newform subspaces: \( 10 \)
Sturm bound: \(324\)
Trace bound: \(10\)
Distinguishing \(T_p\): \(7\), \(11\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(810, [\chi])\).

Total New Old
Modular forms 744 96 648
Cusp forms 552 96 456
Eisenstein series 192 0 192

Trace form

\( 96 q + O(q^{10}) \) \( 96 q + 48 q^{16} + 24 q^{25} + 48 q^{37} + 48 q^{46} + 48 q^{55} - 60 q^{58} + 24 q^{61} + 24 q^{67} + 24 q^{82} + 12 q^{85} - 96 q^{91} + 36 q^{97} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(810, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field CM Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
810.2.m.a 810.m 45.l $8$ $6.468$ \(\Q(\zeta_{24})\) None \(0\) \(0\) \(-12\) \(4\) $\mathrm{SU}(2)[C_{12}]$ \(q+\zeta_{24}^{7}q^{2}-\zeta_{24}^{2}q^{4}+(-1+\zeta_{24}^{3}+\cdots)q^{5}+\cdots\)
810.2.m.b 810.m 45.l $8$ $6.468$ \(\Q(\zeta_{24})\) None \(0\) \(0\) \(0\) \(-20\) $\mathrm{SU}(2)[C_{12}]$ \(q-\zeta_{24}q^{2}+\zeta_{24}^{2}q^{4}+(-\zeta_{24}^{3}-2\zeta_{24}^{5}+\cdots)q^{5}+\cdots\)
810.2.m.c 810.m 45.l $8$ $6.468$ \(\Q(\zeta_{24})\) None \(0\) \(0\) \(0\) \(-8\) $\mathrm{SU}(2)[C_{12}]$ \(q+(-\zeta_{24}^{3}+\zeta_{24}^{7})q^{2}+(\zeta_{24}^{2}-\zeta_{24}^{6}+\cdots)q^{4}+\cdots\)
810.2.m.d 810.m 45.l $8$ $6.468$ \(\Q(\zeta_{24})\) None \(0\) \(0\) \(0\) \(-8\) $\mathrm{SU}(2)[C_{12}]$ \(q+\zeta_{24}^{7}q^{2}-\zeta_{24}^{2}q^{4}+(\zeta_{24}-2\zeta_{24}^{7})q^{5}+\cdots\)
810.2.m.e 810.m 45.l $8$ $6.468$ \(\Q(\zeta_{24})\) None \(0\) \(0\) \(0\) \(4\) $\mathrm{SU}(2)[C_{12}]$ \(q+\zeta_{24}^{5}q^{2}+(-\zeta_{24}^{2}+\zeta_{24}^{6})q^{4}+\cdots\)
810.2.m.f 810.m 45.l $8$ $6.468$ \(\Q(\zeta_{24})\) None \(0\) \(0\) \(0\) \(4\) $\mathrm{SU}(2)[C_{12}]$ \(q+(-\zeta_{24}^{3}+\zeta_{24}^{7})q^{2}+(\zeta_{24}^{2}-\zeta_{24}^{6}+\cdots)q^{4}+\cdots\)
810.2.m.g 810.m 45.l $8$ $6.468$ \(\Q(\zeta_{24})\) None \(0\) \(0\) \(0\) \(16\) $\mathrm{SU}(2)[C_{12}]$ \(q+\zeta_{24}^{5}q^{2}+(-\zeta_{24}^{2}+\zeta_{24}^{6})q^{4}+\cdots\)
810.2.m.h 810.m 45.l $8$ $6.468$ \(\Q(\zeta_{24})\) None \(0\) \(0\) \(12\) \(4\) $\mathrm{SU}(2)[C_{12}]$ \(q-\zeta_{24}^{7}q^{2}-\zeta_{24}^{2}q^{4}+(1-\zeta_{24}^{3}+\cdots)q^{5}+\cdots\)
810.2.m.i 810.m 45.l $16$ $6.468$ \(\mathbb{Q}[x]/(x^{16} - \cdots)\) None \(0\) \(0\) \(0\) \(-4\) $\mathrm{SU}(2)[C_{12}]$ \(q+\beta _{9}q^{2}+(\beta _{5}-\beta _{6})q^{4}+(\beta _{1}+\beta _{9}-\beta _{13}+\cdots)q^{5}+\cdots\)
810.2.m.j 810.m 45.l $16$ $6.468$ \(\mathbb{Q}[x]/(x^{16} - \cdots)\) None \(0\) \(0\) \(0\) \(8\) $\mathrm{SU}(2)[C_{12}]$ \(q+\beta _{7}q^{2}+(-\beta _{5}+\beta _{6})q^{4}+(\beta _{1}-\beta _{7}+\cdots)q^{5}+\cdots\)

Decomposition of \(S_{2}^{\mathrm{old}}(810, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(810, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(45, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(90, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(135, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(270, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(405, [\chi])\)\(^{\oplus 2}\)