Properties

Label 2268.2.w
Level $2268$
Weight $2$
Character orbit 2268.w
Rep. character $\chi_{2268}(269,\cdot)$
Character field $\Q(\zeta_{6})$
Dimension $64$
Newform subspaces $10$
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.w (of order \(6\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 63 \)
Character field: \(\Q(\zeta_{6})\)
Newform subspaces: \( 10 \)
Sturm bound: \(864\)
Trace bound: \(13\)
Distinguishing \(T_p\): \(5\), \(13\)

Dimensions

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

Total New Old
Modular forms 936 64 872
Cusp forms 792 64 728
Eisenstein series 144 0 144

Trace form

\( 64 q + 5 q^{7} + O(q^{10}) \) \( 64 q + 5 q^{7} + 15 q^{13} - 32 q^{25} - 5 q^{37} + 10 q^{43} + 7 q^{49} + 2 q^{67} - 46 q^{79} - 12 q^{85} - 9 q^{91} + 15 q^{97} + O(q^{100}) \)

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.w.a 2268.w 63.i $2$ $18.110$ \(\Q(\sqrt{-3}) \) None \(0\) \(0\) \(-3\) \(-5\) $\mathrm{SU}(2)[C_{6}]$ \(q+(-3+3\zeta_{6})q^{5}+(-3+\zeta_{6})q^{7}+(-6+\cdots)q^{11}+\cdots\)
2268.2.w.b 2268.w 63.i $2$ $18.110$ \(\Q(\sqrt{-3}) \) \(\Q(\sqrt{-3}) \) \(0\) \(0\) \(0\) \(-5\) $\mathrm{U}(1)[D_{6}]$ \(q+(-3+\zeta_{6})q^{7}+(6-3\zeta_{6})q^{13}+(-4+\cdots)q^{19}+\cdots\)
2268.2.w.c 2268.w 63.i $2$ $18.110$ \(\Q(\sqrt{-3}) \) \(\Q(\sqrt{-3}) \) \(0\) \(0\) \(0\) \(1\) $\mathrm{U}(1)[D_{6}]$ \(q+(2-3\zeta_{6})q^{7}+(-8+4\zeta_{6})q^{13}+(10+\cdots)q^{19}+\cdots\)
2268.2.w.d 2268.w 63.i $2$ $18.110$ \(\Q(\sqrt{-3}) \) \(\Q(\sqrt{-3}) \) \(0\) \(0\) \(0\) \(1\) $\mathrm{U}(1)[D_{6}]$ \(q+(-1+3\zeta_{6})q^{7}+(-2+\zeta_{6})q^{13}+\cdots\)
2268.2.w.e 2268.w 63.i $2$ $18.110$ \(\Q(\sqrt{-3}) \) \(\Q(\sqrt{-3}) \) \(0\) \(0\) \(0\) \(4\) $\mathrm{U}(1)[D_{6}]$ \(q+(3-2\zeta_{6})q^{7}+(-6+3\zeta_{6})q^{13}+(-10+\cdots)q^{19}+\cdots\)
2268.2.w.f 2268.w 63.i $2$ $18.110$ \(\Q(\sqrt{-3}) \) None \(0\) \(0\) \(3\) \(-5\) $\mathrm{SU}(2)[C_{6}]$ \(q+(3-3\zeta_{6})q^{5}+(-3+\zeta_{6})q^{7}+(6-3\zeta_{6})q^{11}+\cdots\)
2268.2.w.g 2268.w 63.i $4$ $18.110$ \(\Q(\sqrt{2}, \sqrt{-3})\) None \(0\) \(0\) \(0\) \(2\) $\mathrm{SU}(2)[C_{6}]$ \(q+\beta _{1}q^{5}+(2+3\beta _{2})q^{7}+(4+2\beta _{2})q^{13}+\cdots\)
2268.2.w.h 2268.w 63.i $4$ $18.110$ \(\Q(\sqrt{-2}, \sqrt{-3})\) None \(0\) \(0\) \(0\) \(8\) $\mathrm{SU}(2)[C_{6}]$ \(q-\beta _{2}q^{5}+(3-2\beta _{1})q^{7}+(\beta _{2}+\beta _{3})q^{11}+\cdots\)
2268.2.w.i 2268.w 63.i $12$ $18.110$ 12.0.\(\cdots\).1 None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{6}]$ \(q-\beta _{2}q^{5}+\beta _{9}q^{7}+(\beta _{3}+\beta _{5})q^{11}+(\beta _{9}+\cdots)q^{13}+\cdots\)
2268.2.w.j 2268.w 63.i $32$ $18.110$ None \(0\) \(0\) \(0\) \(4\) $\mathrm{SU}(2)[C_{6}]$

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

\( S_{2}^{\mathrm{old}}(2268, [\chi]) \cong \) \(S_{2}^{\mathrm{new}}(63, [\chi])\)\(^{\oplus 9}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(126, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(189, [\chi])\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(252, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(378, [\chi])\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(567, [\chi])\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(756, [\chi])\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(1134, [\chi])\)\(^{\oplus 2}\)