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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [1104,3,Mod(1103,1104)] 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("1104.1103"); S:= CuspForms(chi, 3); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(1104, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([1, 0, 1, 1])) N = Newforms(chi, 3, names="a")
 
Level: \( N \) \(=\) \( 1104 = 2^{4} \cdot 3 \cdot 23 \)
Weight: \( k \) \(=\) \( 3 \)
Character orbit: \([\chi]\) \(=\) 1104.o (of order \(2\), degree \(1\), minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [4,0,12] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(3)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(30.0818211854\)
Analytic rank: \(0\)
Dimension: \(4\)
Coefficient field: \(\Q(\sqrt{3}, \sqrt{23})\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - 13x^{2} + 25 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2^{6} \)
Twist minimal: yes
Sato-Tate group: $\mathrm{U}(1)[D_{2}]$

$q$-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 \(1,\beta_1,\beta_2,\beta_3\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + 3 q^{3} + \beta_1 q^{5} - \beta_{2} q^{7} + 9 q^{9} - \beta_{3} q^{13} + 3 \beta_1 q^{15} + (2 \beta_{2} + 3 \beta_1) q^{17} + ( - \beta_{2} - 4 \beta_1) q^{19} - 3 \beta_{2} q^{21} + 23 q^{23} + (3 \beta_{3} + 25) q^{25}+ \cdots + ( - 11 \beta_{3} - 178) q^{95}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q + 12 q^{3} + 36 q^{9} + 92 q^{23} + 100 q^{25} + 108 q^{27} + 88 q^{35} + 196 q^{49} + 276 q^{69} - 200 q^{71} + 520 q^{73} + 300 q^{75} + 324 q^{81} + 424 q^{85} - 712 q^{95}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{4} - 13x^{2} + 25 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( 2\nu^{3} - 6\nu ) / 5 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -6\nu^{3} + 58\nu ) / 5 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( 4\nu^{2} - 26 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{2} + 3\beta_1 ) / 8 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{3} + 26 ) / 4 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( 3\beta_{2} + 29\beta_1 ) / 8 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/1104\mathbb{Z}\right)^\times\).

\(n\) \(97\) \(277\) \(415\) \(737\)
\(\chi(n)\) \(-1\) \(1\) \(-1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1103.1
−3.26394
1.53189
−1.53189
3.26394
0 3.00000 0 −9.99198 0 −3.86442 0 9.00000 0
1103.2 0 3.00000 0 −0.400321 0 −13.4561 0 9.00000 0
1103.3 0 3.00000 0 0.400321 0 13.4561 0 9.00000 0
1103.4 0 3.00000 0 9.99198 0 3.86442 0 9.00000 0
\(n\): e.g. 2-40 or 80-90
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
276.h odd 2 1 CM by \(\Q(\sqrt{-69}) \)
12.b even 2 1 inner
23.b odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1104.3.o.b yes 4
3.b odd 2 1 1104.3.o.a ✓ 4
4.b odd 2 1 1104.3.o.a ✓ 4
12.b even 2 1 inner 1104.3.o.b yes 4
23.b odd 2 1 inner 1104.3.o.b yes 4
69.c even 2 1 1104.3.o.a ✓ 4
92.b even 2 1 1104.3.o.a ✓ 4
276.h odd 2 1 CM 1104.3.o.b yes 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1104.3.o.a ✓ 4 3.b odd 2 1
1104.3.o.a ✓ 4 4.b odd 2 1
1104.3.o.a ✓ 4 69.c even 2 1
1104.3.o.a ✓ 4 92.b even 2 1
1104.3.o.b yes 4 1.a even 1 1 trivial
1104.3.o.b yes 4 12.b even 2 1 inner
1104.3.o.b yes 4 23.b odd 2 1 inner
1104.3.o.b yes 4 276.h 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 \(S_{3}^{\mathrm{new}}(1104, [\chi])\):

\( T_{5}^{4} - 100T_{5}^{2} + 16 \) Copy content Toggle raw display
\( T_{71} + 50 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} \) Copy content Toggle raw display
$3$ \( (T - 3)^{4} \) Copy content Toggle raw display
$5$ \( T^{4} - 100T^{2} + 16 \) Copy content Toggle raw display
$7$ \( T^{4} - 196T^{2} + 2704 \) Copy content Toggle raw display
$11$ \( T^{4} \) Copy content Toggle raw display
$13$ \( (T^{2} - 276)^{2} \) Copy content Toggle raw display
$17$ \( T^{4} - 1156 T^{2} + 327184 \) Copy content Toggle raw display
$19$ \( T^{4} - 1444 T^{2} + 183184 \) Copy content Toggle raw display
$23$ \( (T - 23)^{4} \) Copy content Toggle raw display
$29$ \( T^{4} \) Copy content Toggle raw display
$31$ \( T^{4} \) Copy content Toggle raw display
$37$ \( T^{4} \) Copy content Toggle raw display
$41$ \( T^{4} \) Copy content Toggle raw display
$43$ \( T^{4} - 7396 T^{2} + 13337104 \) Copy content Toggle raw display
$47$ \( (T^{2} - 6900)^{2} \) Copy content Toggle raw display
$53$ \( T^{4} - 11236 T^{2} + 19963024 \) Copy content Toggle raw display
$59$ \( (T^{2} - 13524)^{2} \) Copy content Toggle raw display
$61$ \( T^{4} \) Copy content Toggle raw display
$67$ \( T^{4} - 17956 T^{2} + 58186384 \) Copy content Toggle raw display
$71$ \( (T + 50)^{4} \) Copy content Toggle raw display
$73$ \( (T - 130)^{4} \) Copy content Toggle raw display
$79$ \( T^{4} - 24964 T^{2} + 128414224 \) Copy content Toggle raw display
$83$ \( T^{4} \) Copy content Toggle raw display
$89$ \( T^{4} - 31684 T^{2} + 72114064 \) Copy content Toggle raw display
$97$ \( T^{4} \) Copy content Toggle raw display
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