Properties

Label 2268.2.j
Level $2268$
Weight $2$
Character orbit 2268.j
Rep. character $\chi_{2268}(757,\cdot)$
Character field $\Q(\zeta_{3})$
Dimension $48$
Newform subspaces $18$
Sturm bound $864$
Trace bound $13$

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Defining parameters

Level: \( N \) \(=\) \( 2268 = 2^{2} \cdot 3^{4} \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2268.j (of order \(3\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 9 \)
Character field: \(\Q(\zeta_{3})\)
Newform subspaces: \( 18 \)
Sturm bound: \(864\)
Trace bound: \(13\)
Distinguishing \(T_p\): \(5\), \(11\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(2268, [\chi])\).

Total New Old
Modular forms 936 48 888
Cusp forms 792 48 744
Eisenstein series 144 0 144

Trace form

\( 48 q + O(q^{10}) \) \( 48 q - 24 q^{19} - 36 q^{25} - 12 q^{31} + 24 q^{37} + 12 q^{43} - 24 q^{49} + 24 q^{55} - 24 q^{73} - 12 q^{79} - 24 q^{85} + 24 q^{91} - 12 q^{97} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(2268, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field CM Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
2268.2.j.a 2268.j 9.c $2$ $18.110$ \(\Q(\sqrt{-3}) \) None \(0\) \(0\) \(-4\) \(1\) $\mathrm{SU}(2)[C_{3}]$ \(q-4\zeta_{6}q^{5}+(1-\zeta_{6})q^{7}+(-2+2\zeta_{6})q^{11}+\cdots\)
2268.2.j.b 2268.j 9.c $2$ $18.110$ \(\Q(\sqrt{-3}) \) None \(0\) \(0\) \(-3\) \(-1\) $\mathrm{SU}(2)[C_{3}]$ \(q-3\zeta_{6}q^{5}+(-1+\zeta_{6})q^{7}+(-3+3\zeta_{6})q^{11}+\cdots\)
2268.2.j.c 2268.j 9.c $2$ $18.110$ \(\Q(\sqrt{-3}) \) None \(0\) \(0\) \(-3\) \(-1\) $\mathrm{SU}(2)[C_{3}]$ \(q-3\zeta_{6}q^{5}+(-1+\zeta_{6})q^{7}-2\zeta_{6}q^{13}+\cdots\)
2268.2.j.d 2268.j 9.c $2$ $18.110$ \(\Q(\sqrt{-3}) \) None \(0\) \(0\) \(-2\) \(1\) $\mathrm{SU}(2)[C_{3}]$ \(q-2\zeta_{6}q^{5}+(1-\zeta_{6})q^{7}+(-1+\zeta_{6})q^{11}+\cdots\)
2268.2.j.e 2268.j 9.c $2$ $18.110$ \(\Q(\sqrt{-3}) \) None \(0\) \(0\) \(-1\) \(1\) $\mathrm{SU}(2)[C_{3}]$ \(q-\zeta_{6}q^{5}+(1-\zeta_{6})q^{7}+(-2+2\zeta_{6})q^{11}+\cdots\)
2268.2.j.f 2268.j 9.c $2$ $18.110$ \(\Q(\sqrt{-3}) \) None \(0\) \(0\) \(0\) \(-1\) $\mathrm{SU}(2)[C_{3}]$ \(q+(-1+\zeta_{6})q^{7}+(-6+6\zeta_{6})q^{11}+\cdots\)
2268.2.j.g 2268.j 9.c $2$ $18.110$ \(\Q(\sqrt{-3}) \) None \(0\) \(0\) \(0\) \(-1\) $\mathrm{SU}(2)[C_{3}]$ \(q+(-1+\zeta_{6})q^{7}+(-3+3\zeta_{6})q^{11}+\cdots\)
2268.2.j.h 2268.j 9.c $2$ $18.110$ \(\Q(\sqrt{-3}) \) None \(0\) \(0\) \(0\) \(-1\) $\mathrm{SU}(2)[C_{3}]$ \(q+(-1+\zeta_{6})q^{7}+(3-3\zeta_{6})q^{11}+4\zeta_{6}q^{13}+\cdots\)
2268.2.j.i 2268.j 9.c $2$ $18.110$ \(\Q(\sqrt{-3}) \) None \(0\) \(0\) \(0\) \(-1\) $\mathrm{SU}(2)[C_{3}]$ \(q+(-1+\zeta_{6})q^{7}+(6-6\zeta_{6})q^{11}-2\zeta_{6}q^{13}+\cdots\)
2268.2.j.j 2268.j 9.c $2$ $18.110$ \(\Q(\sqrt{-3}) \) None \(0\) \(0\) \(1\) \(1\) $\mathrm{SU}(2)[C_{3}]$ \(q+\zeta_{6}q^{5}+(1-\zeta_{6})q^{7}+(2-2\zeta_{6})q^{11}+\cdots\)
2268.2.j.k 2268.j 9.c $2$ $18.110$ \(\Q(\sqrt{-3}) \) None \(0\) \(0\) \(2\) \(1\) $\mathrm{SU}(2)[C_{3}]$ \(q+2\zeta_{6}q^{5}+(1-\zeta_{6})q^{7}+(1-\zeta_{6})q^{11}+\cdots\)
2268.2.j.l 2268.j 9.c $2$ $18.110$ \(\Q(\sqrt{-3}) \) None \(0\) \(0\) \(3\) \(-1\) $\mathrm{SU}(2)[C_{3}]$ \(q+3\zeta_{6}q^{5}+(-1+\zeta_{6})q^{7}-2\zeta_{6}q^{13}+\cdots\)
2268.2.j.m 2268.j 9.c $2$ $18.110$ \(\Q(\sqrt{-3}) \) None \(0\) \(0\) \(3\) \(-1\) $\mathrm{SU}(2)[C_{3}]$ \(q+3\zeta_{6}q^{5}+(-1+\zeta_{6})q^{7}+(3-3\zeta_{6})q^{11}+\cdots\)
2268.2.j.n 2268.j 9.c $2$ $18.110$ \(\Q(\sqrt{-3}) \) None \(0\) \(0\) \(4\) \(1\) $\mathrm{SU}(2)[C_{3}]$ \(q+4\zeta_{6}q^{5}+(1-\zeta_{6})q^{7}+(2-2\zeta_{6})q^{11}+\cdots\)
2268.2.j.o 2268.j 9.c $4$ $18.110$ \(\Q(\zeta_{12})\) None \(0\) \(0\) \(0\) \(-2\) $\mathrm{SU}(2)[C_{3}]$ \(q-\zeta_{12}^{2}q^{5}+(-1+\zeta_{12})q^{7}+(2\zeta_{12}^{2}+\cdots)q^{11}+\cdots\)
2268.2.j.p 2268.j 9.c $4$ $18.110$ \(\Q(\zeta_{12})\) None \(0\) \(0\) \(0\) \(-2\) $\mathrm{SU}(2)[C_{3}]$ \(q-2\zeta_{12}^{2}q^{5}+(-1+\zeta_{12})q^{7}+(\zeta_{12}^{2}+\cdots)q^{11}+\cdots\)
2268.2.j.q 2268.j 9.c $4$ $18.110$ \(\Q(\sqrt{-3}, \sqrt{13})\) None \(0\) \(0\) \(0\) \(2\) $\mathrm{SU}(2)[C_{3}]$ \(q-\beta _{2}q^{5}+(1-\beta _{1})q^{7}+(-\beta _{2}-\beta _{3})q^{11}+\cdots\)
2268.2.j.r 2268.j 9.c $8$ $18.110$ 8.0.2702336256.1 None \(0\) \(0\) \(0\) \(4\) $\mathrm{SU}(2)[C_{3}]$ \(q+(\beta _{3}-\beta _{6})q^{5}+(1-\beta _{2})q^{7}+(\beta _{4}+\beta _{5}+\cdots)q^{11}+\cdots\)

Decomposition of \(S_{2}^{\mathrm{old}}(2268, [\chi])\) into lower level spaces

\( S_{2}^{\mathrm{old}}(2268, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(18, [\chi])\)\(^{\oplus 12}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(36, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(54, [\chi])\)\(^{\oplus 8}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(63, [\chi])\)\(^{\oplus 9}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(81, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(108, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(126, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(162, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(189, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(252, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(324, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(378, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(567, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(756, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(1134, [\chi])\)\(^{\oplus 2}\)