Defining parameters
Level: | \( N \) | \(=\) | \( 1440 = 2^{5} \cdot 3^{2} \cdot 5 \) |
Weight: | \( k \) | \(=\) | \( 1 \) |
Character orbit: | \([\chi]\) | \(=\) | 1440.p (of order \(2\) and degree \(1\)) |
Character conductor: | \(\operatorname{cond}(\chi)\) | \(=\) | \( 40 \) |
Character field: | \(\Q\) | ||
Newform subspaces: | \( 2 \) | ||
Sturm bound: | \(288\) | ||
Trace bound: | \(5\) |
Dimensions
The following table gives the dimensions of various subspaces of \(M_{1}(1440, [\chi])\).
Total | New | Old | |
---|---|---|---|
Modular forms | 40 | 4 | 36 |
Cusp forms | 8 | 2 | 6 |
Eisenstein series | 32 | 2 | 30 |
The following table gives the dimensions of subspaces with specified projective image type.
\(D_n\) | \(A_4\) | \(S_4\) | \(A_5\) | |
---|---|---|---|---|
Dimension | 2 | 0 | 0 | 0 |
Trace form
Decomposition of \(S_{1}^{\mathrm{new}}(1440, [\chi])\) into newform subspaces
Label | Dim | $A$ | Field | Image | CM | RM | Traces | $q$-expansion | |||
---|---|---|---|---|---|---|---|---|---|---|---|
$a_{2}$ | $a_{3}$ | $a_{5}$ | $a_{7}$ | ||||||||
1440.1.p.a | $1$ | $0.719$ | \(\Q\) | $D_{2}$ | \(\Q(\sqrt{-15}) \), \(\Q(\sqrt{-10}) \) | \(\Q(\sqrt{6}) \) | \(0\) | \(0\) | \(-1\) | \(0\) | \(q-q^{5}+2q^{19}+2q^{23}+q^{25}-2q^{47}+\cdots\) |
1440.1.p.b | $1$ | $0.719$ | \(\Q\) | $D_{2}$ | \(\Q(\sqrt{-15}) \), \(\Q(\sqrt{-10}) \) | \(\Q(\sqrt{6}) \) | \(0\) | \(0\) | \(1\) | \(0\) | \(q+q^{5}+2q^{19}-2q^{23}+q^{25}+2q^{47}+\cdots\) |
Decomposition of \(S_{1}^{\mathrm{old}}(1440, [\chi])\) into lower level spaces
\( S_{1}^{\mathrm{old}}(1440, [\chi]) \cong \)