Defining parameters
Level: | \( N \) | \(=\) | \( 22 = 2 \cdot 11 \) |
Weight: | \( k \) | \(=\) | \( 12 \) |
Character orbit: | \([\chi]\) | \(=\) | 22.a (trivial) |
Character field: | \(\Q\) | ||
Newform subspaces: | \( 4 \) | ||
Sturm bound: | \(36\) | ||
Trace bound: | \(3\) | ||
Distinguishing \(T_p\): | \(3\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{12}(\Gamma_0(22))\).
Total | New | Old | |
---|---|---|---|
Modular forms | 35 | 11 | 24 |
Cusp forms | 31 | 11 | 20 |
Eisenstein series | 4 | 0 | 4 |
The following table gives the dimensions of the cuspidal new subspaces with specified eigenvalues for the Atkin-Lehner operators and the Fricke involution.
\(2\) | \(11\) | Fricke | Dim |
---|---|---|---|
\(+\) | \(+\) | $+$ | \(3\) |
\(+\) | \(-\) | $-$ | \(3\) |
\(-\) | \(+\) | $-$ | \(2\) |
\(-\) | \(-\) | $+$ | \(3\) |
Plus space | \(+\) | \(6\) | |
Minus space | \(-\) | \(5\) |
Trace form
Decomposition of \(S_{12}^{\mathrm{new}}(\Gamma_0(22))\) into newform subspaces
Label | Dim | $A$ | Field | CM | Traces | A-L signs | $q$-expansion | |||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | 2 | 11 | |||||||
22.12.a.a | $2$ | $16.904$ | \(\Q(\sqrt{331}) \) | None | \(64\) | \(-426\) | \(2290\) | \(-86324\) | $-$ | $+$ | \(q+2^{5}q^{2}+(-213+3\beta )q^{3}+2^{10}q^{4}+\cdots\) | |
22.12.a.b | $3$ | $16.904$ | \(\mathbb{Q}[x]/(x^{3} - \cdots)\) | None | \(-96\) | \(-70\) | \(-5624\) | \(-30576\) | $+$ | $-$ | \(q-2^{5}q^{2}+(-23+\beta _{2})q^{3}+2^{10}q^{4}+\cdots\) | |
22.12.a.c | $3$ | $16.904$ | \(\mathbb{Q}[x]/(x^{3} - \cdots)\) | None | \(-96\) | \(106\) | \(17344\) | \(13204\) | $+$ | $+$ | \(q-2^{5}q^{2}+(35+\beta _{1})q^{3}+2^{10}q^{4}+(5771+\cdots)q^{5}+\cdots\) | |
22.12.a.d | $3$ | $16.904$ | \(\mathbb{Q}[x]/(x^{3} - \cdots)\) | None | \(96\) | \(370\) | \(-1928\) | \(58472\) | $-$ | $-$ | \(q+2^{5}q^{2}+(123-\beta _{1})q^{3}+2^{10}q^{4}+\cdots\) |
Decomposition of \(S_{12}^{\mathrm{old}}(\Gamma_0(22))\) into lower level spaces
\( S_{12}^{\mathrm{old}}(\Gamma_0(22)) \cong \) \(S_{12}^{\mathrm{new}}(\Gamma_0(1))\)\(^{\oplus 4}\)\(\oplus\)\(S_{12}^{\mathrm{new}}(\Gamma_0(2))\)\(^{\oplus 2}\)\(\oplus\)\(S_{12}^{\mathrm{new}}(\Gamma_0(11))\)\(^{\oplus 2}\)