Properties

Label 449.2.a
Level $449$
Weight $2$
Character orbit 449.a
Rep. character $\chi_{449}(1,\cdot)$
Character field $\Q$
Dimension $37$
Newform subspaces $2$
Sturm bound $75$
Trace bound $1$

Related objects

Downloads

Learn more

Defining parameters

Level: \( N \) \(=\) \( 449 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 449.a (trivial)
Character field: \(\Q\)
Newform subspaces: \( 2 \)
Sturm bound: \(75\)
Trace bound: \(1\)
Distinguishing \(T_p\): \(2\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(\Gamma_0(449))\).

Total New Old
Modular forms 38 38 0
Cusp forms 37 37 0
Eisenstein series 1 1 0

The following table gives the dimensions of the cuspidal new subspaces with specified eigenvalues for the Atkin-Lehner operators and the Fricke involution.

\(449\)TotalCuspEisenstein
AllNewOldAllNewOldAllNewOld
\(+\)\(14\)\(14\)\(0\)\(14\)\(14\)\(0\)\(0\)\(0\)\(0\)
\(-\)\(24\)\(24\)\(0\)\(23\)\(23\)\(0\)\(1\)\(1\)\(0\)

Trace form

\( 37 q - 3 q^{2} - 2 q^{3} + 37 q^{4} - 4 q^{5} - 6 q^{6} + 4 q^{7} - 9 q^{8} + 27 q^{9} - 4 q^{10} - 8 q^{11} - 12 q^{12} - 4 q^{14} - 16 q^{15} + 25 q^{16} - 6 q^{17} - 7 q^{18} + 2 q^{19} - 4 q^{20} - 2 q^{21}+ \cdots - 38 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Decomposition of \(S_{2}^{\mathrm{new}}(\Gamma_0(449))\) into newform subspaces

Label Char Prim Dim $A$ Field CM Minimal twist Traces A-L signs Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$ 449
449.2.a.a 449.a 1.a $14$ $3.585$ \(\mathbb{Q}[x]/(x^{14} - \cdots)\) None 449.2.a.a \(-3\) \(-5\) \(-7\) \(-22\) $+$ $\mathrm{SU}(2)$ \(q-\beta _{1}q^{2}-\beta _{12}q^{3}+(1+\beta _{2}+\beta _{3})q^{4}+\cdots\)
449.2.a.b 449.a 1.a $23$ $3.585$ None 449.2.a.b \(0\) \(3\) \(3\) \(26\) $-$ $\mathrm{SU}(2)$