Defining parameters
Level: | \( N \) | = | \( 126 = 2 \cdot 3^{2} \cdot 7 \) |
Weight: | \( k \) | = | \( 16 \) |
Nonzero newspaces: | \( 10 \) | ||
Sturm bound: | \(13824\) | ||
Trace bound: | \(9\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{16}(\Gamma_1(126))\).
Total | New | Old | |
---|---|---|---|
Modular forms | 6576 | 1638 | 4938 |
Cusp forms | 6384 | 1638 | 4746 |
Eisenstein series | 192 | 0 | 192 |
Trace form
Decomposition of \(S_{16}^{\mathrm{new}}(\Gamma_1(126))\)
We only show spaces with even parity, since no modular forms exist when this condition is not satisfied. Within each space \( S_k^{\mathrm{new}}(N, \chi) \) we list available newforms together with their dimension.
Label | \(\chi\) | Newforms | Dimension | \(\chi\) degree |
---|---|---|---|---|
126.16.a | \(\chi_{126}(1, \cdot)\) | 126.16.a.a | 1 | 1 |
126.16.a.b | 1 | |||
126.16.a.c | 1 | |||
126.16.a.d | 1 | |||
126.16.a.e | 1 | |||
126.16.a.f | 2 | |||
126.16.a.g | 2 | |||
126.16.a.h | 2 | |||
126.16.a.i | 2 | |||
126.16.a.j | 2 | |||
126.16.a.k | 2 | |||
126.16.a.l | 2 | |||
126.16.a.m | 3 | |||
126.16.a.n | 4 | |||
126.16.a.o | 4 | |||
126.16.a.p | 4 | |||
126.16.a.q | 4 | |||
126.16.d | \(\chi_{126}(125, \cdot)\) | 126.16.d.a | 40 | 1 |
126.16.e | \(\chi_{126}(25, \cdot)\) | n/a | 240 | 2 |
126.16.f | \(\chi_{126}(43, \cdot)\) | n/a | 180 | 2 |
126.16.g | \(\chi_{126}(37, \cdot)\) | 126.16.g.a | 8 | 2 |
126.16.g.b | 10 | |||
126.16.g.c | 10 | |||
126.16.g.d | 10 | |||
126.16.g.e | 10 | |||
126.16.g.f | 12 | |||
126.16.g.g | 20 | |||
126.16.g.h | 20 | |||
126.16.h | \(\chi_{126}(67, \cdot)\) | n/a | 240 | 2 |
126.16.k | \(\chi_{126}(17, \cdot)\) | 126.16.k.a | 80 | 2 |
126.16.l | \(\chi_{126}(5, \cdot)\) | n/a | 240 | 2 |
126.16.m | \(\chi_{126}(41, \cdot)\) | n/a | 240 | 2 |
126.16.t | \(\chi_{126}(47, \cdot)\) | n/a | 240 | 2 |
"n/a" means that newforms for that character have not been added to the database yet
Decomposition of \(S_{16}^{\mathrm{old}}(\Gamma_1(126))\) into lower level spaces
\( S_{16}^{\mathrm{old}}(\Gamma_1(126)) \cong \) \(S_{16}^{\mathrm{new}}(\Gamma_1(1))\)\(^{\oplus 12}\)\(\oplus\)\(S_{16}^{\mathrm{new}}(\Gamma_1(2))\)\(^{\oplus 6}\)\(\oplus\)\(S_{16}^{\mathrm{new}}(\Gamma_1(3))\)\(^{\oplus 8}\)\(\oplus\)\(S_{16}^{\mathrm{new}}(\Gamma_1(6))\)\(^{\oplus 4}\)\(\oplus\)\(S_{16}^{\mathrm{new}}(\Gamma_1(7))\)\(^{\oplus 6}\)\(\oplus\)\(S_{16}^{\mathrm{new}}(\Gamma_1(9))\)\(^{\oplus 4}\)\(\oplus\)\(S_{16}^{\mathrm{new}}(\Gamma_1(14))\)\(^{\oplus 3}\)\(\oplus\)\(S_{16}^{\mathrm{new}}(\Gamma_1(18))\)\(^{\oplus 2}\)\(\oplus\)\(S_{16}^{\mathrm{new}}(\Gamma_1(21))\)\(^{\oplus 4}\)\(\oplus\)\(S_{16}^{\mathrm{new}}(\Gamma_1(42))\)\(^{\oplus 2}\)\(\oplus\)\(S_{16}^{\mathrm{new}}(\Gamma_1(63))\)\(^{\oplus 2}\)\(\oplus\)\(S_{16}^{\mathrm{new}}(\Gamma_1(126))\)\(^{\oplus 1}\)