Defining parameters
Level: | \( N \) | \(=\) | \( 2166 = 2 \cdot 3 \cdot 19^{2} \) |
Weight: | \( k \) | \(=\) | \( 2 \) |
Character orbit: | \([\chi]\) | \(=\) | 2166.a (trivial) |
Character field: | \(\Q\) | ||
Newform subspaces: | \( 25 \) | ||
Sturm bound: | \(760\) | ||
Trace bound: | \(7\) | ||
Distinguishing \(T_p\): | \(5\), \(7\), \(13\), \(29\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{2}(\Gamma_0(2166))\).
Total | New | Old | |
---|---|---|---|
Modular forms | 420 | 57 | 363 |
Cusp forms | 341 | 57 | 284 |
Eisenstein series | 79 | 0 | 79 |
The following table gives the dimensions of the cuspidal new subspaces with specified eigenvalues for the Atkin-Lehner operators and the Fricke involution.
\(2\) | \(3\) | \(19\) | Fricke | Dim |
---|---|---|---|---|
\(+\) | \(+\) | \(+\) | $+$ | \(4\) |
\(+\) | \(+\) | \(-\) | $-$ | \(10\) |
\(+\) | \(-\) | \(+\) | $-$ | \(8\) |
\(+\) | \(-\) | \(-\) | $+$ | \(7\) |
\(-\) | \(+\) | \(+\) | $-$ | \(9\) |
\(-\) | \(+\) | \(-\) | $+$ | \(5\) |
\(-\) | \(-\) | \(+\) | $+$ | \(3\) |
\(-\) | \(-\) | \(-\) | $-$ | \(11\) |
Plus space | \(+\) | \(19\) | ||
Minus space | \(-\) | \(38\) |
Trace form
Decomposition of \(S_{2}^{\mathrm{new}}(\Gamma_0(2166))\) into newform subspaces
Decomposition of \(S_{2}^{\mathrm{old}}(\Gamma_0(2166))\) into lower level spaces
\( S_{2}^{\mathrm{old}}(\Gamma_0(2166)) \cong \) \(S_{2}^{\mathrm{new}}(\Gamma_0(114))\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(19))\)\(^{\oplus 8}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(38))\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(57))\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(361))\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(722))\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_0(1083))\)\(^{\oplus 2}\)