Properties

Label 2163.1
Level 2163
Weight 1
Dimension 170
Nonzero newspaces 10
Newform subspaces 12
Sturm bound 339456
Trace bound 7

Downloads

Learn more

Defining parameters

Level: \( N \) = \( 2163 = 3 \cdot 7 \cdot 103 \)
Weight: \( k \) = \( 1 \)
Nonzero newspaces: \( 10 \)
Newform subspaces: \( 12 \)
Sturm bound: \(339456\)
Trace bound: \(7\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{1}(\Gamma_1(2163))\).

Total New Old
Modular forms 2686 1182 1504
Cusp forms 238 170 68
Eisenstein series 2448 1012 1436

The following table gives the dimensions of subspaces with specified projective image type.

\(D_n\) \(A_4\) \(S_4\) \(A_5\)
Dimension 170 0 0 0

Trace form

\( 170 q + O(q^{10}) \) \( 170 q - 17 q^{84} - 17 q^{91} - 34 q^{97} + O(q^{100}) \)

Decomposition of \(S_{1}^{\mathrm{new}}(\Gamma_1(2163))\)

We only show spaces with odd 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
2163.1.b \(\chi_{2163}(722, \cdot)\) None 0 1
2163.1.c \(\chi_{2163}(2162, \cdot)\) 2163.1.c.a 1 1
2163.1.c.b 1
2163.1.f \(\chi_{2163}(2059, \cdot)\) None 0 1
2163.1.g \(\chi_{2163}(1546, \cdot)\) None 0 1
2163.1.o \(\chi_{2163}(149, \cdot)\) 2163.1.o.a 2 2
2163.1.p \(\chi_{2163}(572, \cdot)\) 2163.1.p.a 2 2
2163.1.q \(\chi_{2163}(880, \cdot)\) None 0 2
2163.1.r \(\chi_{2163}(562, \cdot)\) None 0 2
2163.1.u \(\chi_{2163}(664, \cdot)\) None 0 2
2163.1.v \(\chi_{2163}(253, \cdot)\) None 0 2
2163.1.w \(\chi_{2163}(619, \cdot)\) None 0 2
2163.1.x \(\chi_{2163}(205, \cdot)\) None 0 2
2163.1.z \(\chi_{2163}(47, \cdot)\) 2163.1.z.a 2 2
2163.1.ba \(\chi_{2163}(674, \cdot)\) 2163.1.ba.a 2 2
2163.1.bf \(\chi_{2163}(1235, \cdot)\) None 0 2
2163.1.bg \(\chi_{2163}(1031, \cdot)\) None 0 2
2163.1.bh \(\chi_{2163}(356, \cdot)\) None 0 2
2163.1.bi \(\chi_{2163}(365, \cdot)\) None 0 2
2163.1.bm \(\chi_{2163}(1087, \cdot)\) None 0 2
2163.1.bn \(\chi_{2163}(262, \cdot)\) None 0 2
2163.1.bq \(\chi_{2163}(13, \cdot)\) None 0 16
2163.1.br \(\chi_{2163}(22, \cdot)\) None 0 16
2163.1.bu \(\chi_{2163}(125, \cdot)\) 2163.1.bu.a 16 16
2163.1.bu.b 16
2163.1.bv \(\chi_{2163}(8, \cdot)\) None 0 16
2163.1.ca \(\chi_{2163}(19, \cdot)\) None 0 32
2163.1.cb \(\chi_{2163}(67, \cdot)\) None 0 32
2163.1.cf \(\chi_{2163}(29, \cdot)\) None 0 32
2163.1.cg \(\chi_{2163}(20, \cdot)\) None 0 32
2163.1.ch \(\chi_{2163}(23, \cdot)\) None 0 32
2163.1.ci \(\chi_{2163}(80, \cdot)\) None 0 32
2163.1.cn \(\chi_{2163}(107, \cdot)\) 2163.1.cn.a 32 32
2163.1.co \(\chi_{2163}(5, \cdot)\) 2163.1.co.a 32 32
2163.1.cq \(\chi_{2163}(37, \cdot)\) None 0 32
2163.1.cr \(\chi_{2163}(61, \cdot)\) None 0 32
2163.1.cs \(\chi_{2163}(43, \cdot)\) None 0 32
2163.1.ct \(\chi_{2163}(55, \cdot)\) None 0 32
2163.1.cw \(\chi_{2163}(109, \cdot)\) None 0 32
2163.1.cx \(\chi_{2163}(82, \cdot)\) None 0 32
2163.1.cy \(\chi_{2163}(143, \cdot)\) 2163.1.cy.a 32 32
2163.1.cz \(\chi_{2163}(2, \cdot)\) 2163.1.cz.a 32 32

Decomposition of \(S_{1}^{\mathrm{old}}(\Gamma_1(2163))\) into lower level spaces

\( S_{1}^{\mathrm{old}}(\Gamma_1(2163)) \cong \) \(S_{1}^{\mathrm{new}}(\Gamma_1(1))\)\(^{\oplus 8}\)\(\oplus\)\(S_{1}^{\mathrm{new}}(\Gamma_1(3))\)\(^{\oplus 4}\)\(\oplus\)\(S_{1}^{\mathrm{new}}(\Gamma_1(7))\)\(^{\oplus 4}\)\(\oplus\)\(S_{1}^{\mathrm{new}}(\Gamma_1(21))\)\(^{\oplus 2}\)\(\oplus\)\(S_{1}^{\mathrm{new}}(\Gamma_1(103))\)\(^{\oplus 4}\)\(\oplus\)\(S_{1}^{\mathrm{new}}(\Gamma_1(309))\)\(^{\oplus 2}\)\(\oplus\)\(S_{1}^{\mathrm{new}}(\Gamma_1(721))\)\(^{\oplus 2}\)\(\oplus\)\(S_{1}^{\mathrm{new}}(\Gamma_1(2163))\)\(^{\oplus 1}\)