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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [9072,2,Mod(1,9072)] 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("9072.1"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(9072, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0, 0, 0])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 9072 = 2^{4} \cdot 3^{4} \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 9072.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [3,0,0,0,3,0,-3,0,0,0,-6,0,3,0,0,0,3] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(17)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(72.4402847137\)
Analytic rank: \(0\)
Dimension: \(3\)
Coefficient field: 3.3.621.1
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{3} - 6x - 3 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 2 \)
Twist minimal: no (minimal twist has level 567)
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

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

\(f(q)\) \(=\) \( q + (\beta_{2} + 1) q^{5} - q^{7} + (\beta_{2} - 2) q^{11} + ( - \beta_{2} + \beta_1 + 1) q^{13} + (\beta_{2} + \beta_1 + 1) q^{17} + (2 \beta_{2} + \beta_1) q^{19} + (2 \beta_{2} + 2) q^{23} + (\beta_{2} - \beta_1 + 2) q^{25}+ \cdots + (2 \beta_{2} + \beta_1 + 4) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 3 q + 3 q^{5} - 3 q^{7} - 6 q^{11} + 3 q^{13} + 3 q^{17} + 6 q^{23} + 6 q^{25} + 3 q^{29} - 6 q^{31} - 3 q^{35} + 15 q^{37} - 12 q^{41} - 12 q^{43} + 3 q^{49} + 12 q^{53} + 12 q^{55} + 18 q^{59} - 3 q^{61}+ \cdots + 12 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{3} - 6x - 3 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( 2\nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{2} - \nu - 4 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_1 ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( 2\beta_{2} + \beta _1 + 8 ) / 2 \) Copy content Toggle raw display

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1.1
−0.523976
2.66908
−2.14510
0 0 0 −2.20147 0 −1.00000 0 0 0
1.2 0 0 0 1.45490 0 −1.00000 0 0 0
1.3 0 0 0 3.74657 0 −1.00000 0 0 0
\(n\): e.g. 2-40 or 80-90
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \( -1 \)
\(3\) \( +1 \)
\(7\) \( +1 \)

Inner twists

This newform does not admit any (nontrivial) inner twists.

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 9072.2.a.cb 3
3.b odd 2 1 9072.2.a.bu 3
4.b odd 2 1 567.2.a.f yes 3
12.b even 2 1 567.2.a.e 3
28.d even 2 1 3969.2.a.n 3
36.f odd 6 2 567.2.f.l 6
36.h even 6 2 567.2.f.m 6
84.h odd 2 1 3969.2.a.o 3
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
567.2.a.e 3 12.b even 2 1
567.2.a.f yes 3 4.b odd 2 1
567.2.f.l 6 36.f odd 6 2
567.2.f.m 6 36.h even 6 2
3969.2.a.n 3 28.d even 2 1
3969.2.a.o 3 84.h odd 2 1
9072.2.a.bu 3 3.b odd 2 1
9072.2.a.cb 3 1.a even 1 1 trivial

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(9072))\):

\( T_{5}^{3} - 3T_{5}^{2} - 6T_{5} + 12 \) Copy content Toggle raw display
\( T_{11}^{3} + 6T_{11}^{2} + 3T_{11} - 6 \) Copy content Toggle raw display
\( T_{13}^{3} - 3T_{13}^{2} - 36T_{13} + 112 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{3} \) Copy content Toggle raw display
$3$ \( T^{3} \) Copy content Toggle raw display
$5$ \( T^{3} - 3 T^{2} + \cdots + 12 \) Copy content Toggle raw display
$7$ \( (T + 1)^{3} \) Copy content Toggle raw display
$11$ \( T^{3} + 6 T^{2} + \cdots - 6 \) Copy content Toggle raw display
$13$ \( T^{3} - 3 T^{2} + \cdots + 112 \) Copy content Toggle raw display
$17$ \( T^{3} - 3 T^{2} + \cdots - 12 \) Copy content Toggle raw display
$19$ \( T^{3} - 48T + 56 \) Copy content Toggle raw display
$23$ \( T^{3} - 6 T^{2} + \cdots + 96 \) Copy content Toggle raw display
$29$ \( T^{3} - 3 T^{2} + \cdots - 36 \) Copy content Toggle raw display
$31$ \( (T + 2)^{3} \) Copy content Toggle raw display
$37$ \( (T - 5)^{3} \) Copy content Toggle raw display
$41$ \( T^{3} + 12T^{2} - 72 \) Copy content Toggle raw display
$43$ \( T^{3} + 12 T^{2} + \cdots - 652 \) Copy content Toggle raw display
$47$ \( T^{3} - 24T + 24 \) Copy content Toggle raw display
$53$ \( T^{3} - 12 T^{2} + \cdots + 6 \) Copy content Toggle raw display
$59$ \( T^{3} - 18 T^{2} + \cdots + 552 \) Copy content Toggle raw display
$61$ \( T^{3} + 3 T^{2} + \cdots - 188 \) Copy content Toggle raw display
$67$ \( T^{3} + 6 T^{2} + \cdots - 262 \) Copy content Toggle raw display
$71$ \( T^{3} - 81T + 108 \) Copy content Toggle raw display
$73$ \( T^{3} - 9 T^{2} + \cdots + 16 \) Copy content Toggle raw display
$79$ \( T^{3} + 6 T^{2} + \cdots - 262 \) Copy content Toggle raw display
$83$ \( T^{3} + 12T^{2} - 72 \) Copy content Toggle raw display
$89$ \( T^{3} - 15 T^{2} + \cdots + 48 \) Copy content Toggle raw display
$97$ \( T^{3} - 12T^{2} + 184 \) Copy content Toggle raw display
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