Properties

Label 1055.1.d.h
Level $1055$
Weight $1$
Character orbit 1055.d
Self dual yes
Analytic conductor $0.527$
Analytic rank $0$
Dimension $6$
Projective image $D_{18}$
CM discriminant -1055
Inner twists $4$

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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [1055,1,Mod(1054,1055)] mf = mfinit([N,k,chi],0) lf = mfeigenbasis(mf)
 
Copy content magma://Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("1055.1054"); S:= CuspForms(chi, 1); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(1055, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([1, 1])) B = ModularForms(chi, 1).cuspidal_submodule().basis() N = [B[i] for i in range(len(B))]
 
Level: \( N \) \(=\) \( 1055 = 5 \cdot 211 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 1055.d (of order \(2\), degree \(1\), minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [6,0,0,12,-6] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(5)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(0.526513588328\)
Analytic rank: \(0\)
Dimension: \(6\)
Coefficient field: \(\Q(\zeta_{36})^+\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} - 6x^{4} + 9x^{2} - 3 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{18}\)
Projective field: Galois closure of \(\mathbb{Q}[x]/(x^{18} - \cdots)\)

$q$-expansion

Copy content comment:q-expansion
 
Copy content sage:f.q_expansion() # note that sage often uses an isomorphic number field
 
Copy content gp:mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\ldots,\beta_{5}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_{3} q^{2} - \beta_1 q^{3} + 2 q^{4} - q^{5} + ( - \beta_{4} - 2 \beta_{2}) q^{6} - \beta_{5} q^{7} + \beta_{3} q^{8} + (\beta_{2} + 1) q^{9} - \beta_{3} q^{10} - \beta_{4} q^{11} - 2 \beta_1 q^{12}+ \cdots + q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q + 12 q^{4} - 6 q^{5} + 6 q^{9} + 6 q^{16} - 12 q^{20} - 6 q^{21} + 6 q^{25} + 12 q^{36} - 6 q^{45} + 6 q^{49} - 6 q^{51} - 18 q^{54} - 6 q^{64} + 6 q^{69} + 6 q^{71} - 6 q^{80} + 6 q^{81} - 12 q^{84}+ \cdots + 6 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of \(\nu = \zeta_{36} + \zeta_{36}^{-1}\):

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{2} - 2 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( \nu^{3} - 3\nu \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( \nu^{4} - 5\nu^{2} + 4 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( \nu^{5} - 5\nu^{3} + 4\nu \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{2} + 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( \beta_{3} + 3\beta_1 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( \beta_{4} + 5\beta_{2} + 6 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( \beta_{5} + 5\beta_{3} + 11\beta_1 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1055\mathbb{Z}\right)^\times\).

\(n\) \(212\) \(846\)
\(\chi(n)\) \(-1\) \(-1\)

Embeddings

For each embedding \(\iota_m\) of the coefficient field, the values \(\iota_m(a_n)\) are shown below.

For more information on an embedded modular form you can click on its label.

Copy content comment:embeddings in the coefficient field
 
Copy content gp:mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1054.1
1.28558
0.684040
−1.96962
1.96962
−0.684040
−1.28558
−1.73205 −1.28558 2.00000 −1.00000 2.22668 1.96962 −1.73205 0.652704 1.73205
1054.2 −1.73205 −0.684040 2.00000 −1.00000 1.18479 −1.28558 −1.73205 −0.532089 1.73205
1054.3 −1.73205 1.96962 2.00000 −1.00000 −3.41147 −0.684040 −1.73205 2.87939 1.73205
1054.4 1.73205 −1.96962 2.00000 −1.00000 −3.41147 0.684040 1.73205 2.87939 −1.73205
1054.5 1.73205 0.684040 2.00000 −1.00000 1.18479 1.28558 1.73205 −0.532089 −1.73205
1054.6 1.73205 1.28558 2.00000 −1.00000 2.22668 −1.96962 1.73205 0.652704 −1.73205
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1054.6
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
1055.d odd 2 1 CM by \(\Q(\sqrt{-1055}) \)
5.b even 2 1 inner
211.b odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1055.1.d.h 6
5.b even 2 1 inner 1055.1.d.h 6
211.b odd 2 1 inner 1055.1.d.h 6
1055.d odd 2 1 CM 1055.1.d.h 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1055.1.d.h 6 1.a even 1 1 trivial
1055.1.d.h 6 5.b even 2 1 inner
1055.1.d.h 6 211.b odd 2 1 inner
1055.1.d.h 6 1055.d odd 2 1 CM

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{1}^{\mathrm{new}}(1055, [\chi])\):

\( T_{2}^{2} - 3 \) Copy content Toggle raw display
\( T_{3}^{6} - 6T_{3}^{4} + 9T_{3}^{2} - 3 \) Copy content Toggle raw display
\( T_{11}^{3} - 3T_{11} + 1 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{2} - 3)^{3} \) Copy content Toggle raw display
$3$ \( T^{6} - 6 T^{4} + \cdots - 3 \) Copy content Toggle raw display
$5$ \( (T + 1)^{6} \) Copy content Toggle raw display
$7$ \( T^{6} - 6 T^{4} + \cdots - 3 \) Copy content Toggle raw display
$11$ \( (T^{3} - 3 T + 1)^{2} \) Copy content Toggle raw display
$13$ \( T^{6} \) Copy content Toggle raw display
$17$ \( T^{6} - 6 T^{4} + \cdots - 3 \) Copy content Toggle raw display
$19$ \( (T^{3} - 3 T + 1)^{2} \) Copy content Toggle raw display
$23$ \( T^{6} - 6 T^{4} + \cdots - 3 \) Copy content Toggle raw display
$29$ \( T^{6} \) Copy content Toggle raw display
$31$ \( T^{6} \) Copy content Toggle raw display
$37$ \( T^{6} \) Copy content Toggle raw display
$41$ \( T^{6} \) Copy content Toggle raw display
$43$ \( T^{6} \) Copy content Toggle raw display
$47$ \( T^{6} \) Copy content Toggle raw display
$53$ \( T^{6} \) Copy content Toggle raw display
$59$ \( (T^{3} - 3 T + 1)^{2} \) Copy content Toggle raw display
$61$ \( T^{6} \) Copy content Toggle raw display
$67$ \( T^{6} \) Copy content Toggle raw display
$71$ \( (T - 1)^{6} \) Copy content Toggle raw display
$73$ \( T^{6} \) Copy content Toggle raw display
$79$ \( (T^{3} - 3 T + 1)^{2} \) Copy content Toggle raw display
$83$ \( T^{6} \) Copy content Toggle raw display
$89$ \( T^{6} \) Copy content Toggle raw display
$97$ \( T^{6} - 6 T^{4} + \cdots - 3 \) Copy content Toggle raw display
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