Properties

Label 197.2
Level 197
Weight 2
Dimension 1520
Nonzero newspaces 6
Newform subspaces 9
Sturm bound 6468
Trace bound 2

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Defining parameters

Level: \( N \) = \( 197 \)
Weight: \( k \) = \( 2 \)
Nonzero newspaces: \( 6 \)
Newform subspaces: \( 9 \)
Sturm bound: \(6468\)
Trace bound: \(2\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(\Gamma_1(197))\).

Total New Old
Modular forms 1715 1715 0
Cusp forms 1520 1520 0
Eisenstein series 195 195 0

Trace form

\( 1520 q - 95 q^{2} - 94 q^{3} - 91 q^{4} - 92 q^{5} - 86 q^{6} - 90 q^{7} - 83 q^{8} - 85 q^{9} - 80 q^{10} - 86 q^{11} - 70 q^{12} - 84 q^{13} - 74 q^{14} - 74 q^{15} - 67 q^{16} - 80 q^{17} - 59 q^{18}+ \cdots + 58 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Decomposition of \(S_{2}^{\mathrm{new}}(\Gamma_1(197))\)

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
197.2.a \(\chi_{197}(1, \cdot)\) 197.2.a.a 1 1
197.2.a.b 5
197.2.a.c 10
197.2.b \(\chi_{197}(196, \cdot)\) 197.2.b.a 16 1
197.2.d \(\chi_{197}(36, \cdot)\) 197.2.d.a 90 6
197.2.e \(\chi_{197}(6, \cdot)\) 197.2.e.a 6 6
197.2.e.b 90
197.2.g \(\chi_{197}(16, \cdot)\) 197.2.g.a 630 42
197.2.h \(\chi_{197}(4, \cdot)\) 197.2.h.a 672 42