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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [880,6,Mod(1,880)] 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("880.1"); S:= CuspForms(chi, 6); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(880, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0, 0, 0])) N = Newforms(chi, 6, names="a")
 
Level: \( N \) \(=\) \( 880 = 2^{4} \cdot 5 \cdot 11 \)
Weight: \( k \) \(=\) \( 6 \)
Character orbit: \([\chi]\) \(=\) 880.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [3,0,36,0,75,0,102] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(7)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(141.137761435\)
Analytic rank: \(1\)
Dimension: \(3\)
Coefficient field: 3.3.21865.1
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{3} - x^{2} - 30x + 40 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2 \)
Twist minimal: no (minimal twist has level 55)
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.

\(f(q)\) \(=\) \( q + (3 \beta_1 + 11) q^{3} + 25 q^{5} + ( - 5 \beta_{2} + \beta_1 + 32) q^{7} + (9 \beta_{2} + 57 \beta_1 + 67) q^{9} - 121 q^{11} + (28 \beta_{2} - 4 \beta_1 - 538) q^{13} + (75 \beta_1 + 275) q^{15}+ \cdots + ( - 1089 \beta_{2} - 6897 \beta_1 - 8107) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 3 q + 36 q^{3} + 75 q^{5} + 102 q^{7} + 249 q^{9} - 363 q^{11} - 1646 q^{13} + 900 q^{15} - 1742 q^{17} + 10 q^{19} + 1236 q^{21} + 3876 q^{23} + 1875 q^{25} + 4920 q^{27} + 1970 q^{29} - 6596 q^{31} - 4356 q^{33}+ \cdots - 30129 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{3} - x^{2} - 30x + 40 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{2} + \nu - 21 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{2} - \beta _1 + 21 \) 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
−5.61356
1.35507
5.25849
0 −5.84068 0 25.0000 0 1.89401 0 −208.886 0
1.2 0 15.0652 0 25.0000 0 122.399 0 −16.0398 0
1.3 0 26.7755 0 25.0000 0 −22.2927 0 473.926 0
\(n\): e.g. 2-40 or 80-90
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \( -1 \)
\(5\) \( -1 \)
\(11\) \( +1 \)

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 880.6.a.l 3
4.b odd 2 1 55.6.a.a 3
12.b even 2 1 495.6.a.f 3
20.d odd 2 1 275.6.a.c 3
20.e even 4 2 275.6.b.c 6
44.c even 2 1 605.6.a.b 3
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
55.6.a.a 3 4.b odd 2 1
275.6.a.c 3 20.d odd 2 1
275.6.b.c 6 20.e even 4 2
495.6.a.f 3 12.b even 2 1
605.6.a.b 3 44.c even 2 1
880.6.a.l 3 1.a even 1 1 trivial

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{3} - 36T_{3}^{2} + 159T_{3} + 2356 \) acting on \(S_{6}^{\mathrm{new}}(\Gamma_0(880))\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{3} \) Copy content Toggle raw display
$3$ \( T^{3} - 36 T^{2} + \cdots + 2356 \) Copy content Toggle raw display
$5$ \( (T - 25)^{3} \) Copy content Toggle raw display
$7$ \( T^{3} - 102 T^{2} + \cdots + 5168 \) Copy content Toggle raw display
$11$ \( (T + 121)^{3} \) Copy content Toggle raw display
$13$ \( T^{3} + 1646 T^{2} + \cdots + 88934344 \) Copy content Toggle raw display
$17$ \( T^{3} + 1742 T^{2} + \cdots - 460035598 \) Copy content Toggle raw display
$19$ \( T^{3} + \cdots - 4578226300 \) Copy content Toggle raw display
$23$ \( T^{3} - 3876 T^{2} + \cdots + 81411776 \) Copy content Toggle raw display
$29$ \( T^{3} + \cdots + 146901534950 \) Copy content Toggle raw display
$31$ \( T^{3} + \cdots - 96581326832 \) Copy content Toggle raw display
$37$ \( T^{3} + \cdots + 153366614642 \) Copy content Toggle raw display
$41$ \( T^{3} + \cdots - 888835182328 \) Copy content Toggle raw display
$43$ \( T^{3} + \cdots + 313648586816 \) Copy content Toggle raw display
$47$ \( T^{3} + \cdots + 8738911157408 \) Copy content Toggle raw display
$53$ \( T^{3} + \cdots - 12910279016686 \) Copy content Toggle raw display
$59$ \( T^{3} + \cdots + 28840231836400 \) Copy content Toggle raw display
$61$ \( T^{3} + \cdots - 10687427094938 \) Copy content Toggle raw display
$67$ \( T^{3} + \cdots - 47800113135872 \) Copy content Toggle raw display
$71$ \( T^{3} + \cdots + 41054108151208 \) Copy content Toggle raw display
$73$ \( T^{3} + \cdots + 152396837064904 \) Copy content Toggle raw display
$79$ \( T^{3} + \cdots - 36194232363200 \) Copy content Toggle raw display
$83$ \( T^{3} + \cdots - 54540116863984 \) Copy content Toggle raw display
$89$ \( T^{3} + \cdots + 572172535345750 \) Copy content Toggle raw display
$97$ \( T^{3} + \cdots - 878543504051648 \) Copy content Toggle raw display
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