Properties

Label 92.4
Level 92
Weight 4
Dimension 440
Nonzero newspaces 4
Newform subspaces 7
Sturm bound 2112
Trace bound 1

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Defining parameters

Level: \( N \) = \( 92 = 2^{2} \cdot 23 \)
Weight: \( k \) = \( 4 \)
Nonzero newspaces: \( 4 \)
Newform subspaces: \( 7 \)
Sturm bound: \(2112\)
Trace bound: \(1\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{4}(\Gamma_1(92))\).

Total New Old
Modular forms 847 484 363
Cusp forms 737 440 297
Eisenstein series 110 44 66

Trace form

\( 440 q - 11 q^{2} - 11 q^{4} - 22 q^{5} - 11 q^{6} - 11 q^{8} - 22 q^{9} - 11 q^{10} - 11 q^{12} - 22 q^{13} - 11 q^{14} - 374 q^{15} - 11 q^{16} - 110 q^{17} - 11 q^{18} + 110 q^{19} - 11 q^{20} + 638 q^{21}+ \cdots - 9240 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Decomposition of \(S_{4}^{\mathrm{new}}(\Gamma_1(92))\)

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
92.4.a \(\chi_{92}(1, \cdot)\) 92.4.a.a 3 1
92.4.a.b 3
92.4.b \(\chi_{92}(91, \cdot)\) 92.4.b.a 2 1
92.4.b.b 4
92.4.b.c 28
92.4.e \(\chi_{92}(9, \cdot)\) 92.4.e.a 60 10
92.4.h \(\chi_{92}(7, \cdot)\) 92.4.h.a 340 10

Decomposition of \(S_{4}^{\mathrm{old}}(\Gamma_1(92))\) into lower level spaces

\( S_{4}^{\mathrm{old}}(\Gamma_1(92)) \cong \) \(S_{4}^{\mathrm{new}}(\Gamma_1(1))\)\(^{\oplus 6}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_1(2))\)\(^{\oplus 4}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_1(4))\)\(^{\oplus 2}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_1(23))\)\(^{\oplus 3}\)\(\oplus\)\(S_{4}^{\mathrm{new}}(\Gamma_1(46))\)\(^{\oplus 2}\)