Properties

Label 209.2.e
Level $209$
Weight $2$
Character orbit 209.e
Rep. character $\chi_{209}(45,\cdot)$
Character field $\Q(\zeta_{3})$
Dimension $36$
Newform subspaces $2$
Sturm bound $40$
Trace bound $2$

Related objects

Downloads

Learn more

Defining parameters

Level: \( N \) \(=\) \( 209 = 11 \cdot 19 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 209.e (of order \(3\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 19 \)
Character field: \(\Q(\zeta_{3})\)
Newform subspaces: \( 2 \)
Sturm bound: \(40\)
Trace bound: \(2\)
Distinguishing \(T_p\): \(2\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(209, [\chi])\).

Total New Old
Modular forms 44 36 8
Cusp forms 36 36 0
Eisenstein series 8 0 8

Trace form

\( 36 q - 4 q^{3} - 18 q^{4} + 4 q^{6} - 12 q^{7} - 12 q^{8} - 22 q^{9} + 10 q^{10} + 24 q^{12} + 10 q^{13} - 2 q^{14} + 6 q^{15} - 18 q^{16} + 8 q^{17} + 4 q^{18} + 10 q^{19} - 40 q^{20} - 2 q^{22} + 10 q^{23}+ \cdots - 40 q^{98}+O(q^{100}) \) Copy content Toggle raw display

Decomposition of \(S_{2}^{\mathrm{new}}(209, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field CM Minimal twist Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
209.2.e.a 209.e 19.c $18$ $1.669$ \(\mathbb{Q}[x]/(x^{18} - \cdots)\) None 209.2.e.a \(-1\) \(-4\) \(0\) \(-6\) $\mathrm{SU}(2)[C_{3}]$ \(q-\beta _{1}q^{2}-\beta _{7}q^{3}+(-1-\beta _{4}-\beta _{9}+\cdots)q^{4}+\cdots\)
209.2.e.b 209.e 19.c $18$ $1.669$ \(\mathbb{Q}[x]/(x^{18} - \cdots)\) None 209.2.e.b \(1\) \(0\) \(0\) \(-6\) $\mathrm{SU}(2)[C_{3}]$ \(q+\beta _{1}q^{2}+(\beta _{4}-\beta _{12})q^{3}+(-1+\beta _{3}+\cdots)q^{4}+\cdots\)