Properties

Label 123.4.a.d
Level $123$
Weight $4$
Character orbit 123.a
Self dual yes
Analytic conductor $7.257$
Analytic rank $0$
Dimension $6$
CM no
Inner twists $1$

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Show commands: Magma / Pari/GP / SageMath

Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [123,4,Mod(1,123)] 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("123.1"); S:= CuspForms(chi, 4); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(123, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 0])) N = Newforms(chi, 4, names="a")
 
Level: \( N \) \(=\) \( 123 = 3 \cdot 41 \)
Weight: \( k \) \(=\) \( 4 \)
Character orbit: \([\chi]\) \(=\) 123.a (trivial)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [6,6] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(2)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(7.25723493071\)
Analytic rank: \(0\)
Dimension: \(6\)
Coefficient field: \(\mathbb{Q}[x]/(x^{6} - \cdots)\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} - 34x^{4} - 26x^{3} + 269x^{2} + 258x - 272 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 2 \)
Twist minimal: yes
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 \(1,\beta_1,\ldots,\beta_{5}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( - \beta_1 + 1) q^{2} + 3 q^{3} + (\beta_{2} - \beta_1 + 4) q^{4} + ( - \beta_{4} + 6) q^{5} + ( - 3 \beta_1 + 3) q^{6} + (\beta_{5} + \beta_{3} - \beta_{2} + \cdots + 2) q^{7} + ( - \beta_{5} + \beta_{4} + \beta_{2} + \cdots + 6) q^{8}+ \cdots + (18 \beta_{5} + 27 \beta_{4} + \cdots + 81) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q + 6 q^{2} + 18 q^{3} + 26 q^{4} + 37 q^{5} + 18 q^{6} + 14 q^{7} + 36 q^{8} + 54 q^{9} + 47 q^{10} + 50 q^{11} + 78 q^{12} + 27 q^{13} - 34 q^{14} + 111 q^{15} - 54 q^{16} + 43 q^{17} + 54 q^{18} + 111 q^{19}+ \cdots + 450 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{6} - 34x^{4} - 26x^{3} + 269x^{2} + 258x - 272 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{2} - \nu - 11 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( -\nu^{5} + 6\nu^{4} + 12\nu^{3} - 88\nu^{2} + 7\nu + 134 ) / 14 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -2\nu^{5} + 5\nu^{4} + 45\nu^{3} - 57\nu^{2} - 175\nu + 72 ) / 14 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -2\nu^{5} + 5\nu^{4} + 59\nu^{3} - 85\nu^{2} - 399\nu + 212 ) / 14 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{2} + \beta _1 + 11 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( \beta_{5} - \beta_{4} + 2\beta_{2} + 18\beta _1 + 12 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( 3\beta_{5} - 5\beta_{4} + 4\beta_{3} + 23\beta_{2} + 44\beta _1 + 195 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( 30\beta_{5} - 42\beta_{4} + 10\beta_{3} + 74\beta_{2} + 399\beta _1 + 480 \) 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
5.27916
3.17178
0.657015
−1.93430
−3.29831
−3.87534
−4.27916 3.00000 10.3112 15.7767 −12.8375 5.96642 −9.89000 9.00000 −67.5112
1.2 −2.17178 3.00000 −3.28338 −11.3872 −6.51533 −6.57196 24.5050 9.00000 24.7304
1.3 0.342985 3.00000 −7.88236 9.86667 1.02895 16.4245 −5.44740 9.00000 3.38412
1.4 2.93430 3.00000 0.610133 6.30631 8.80291 18.1286 −21.6841 9.00000 18.5046
1.5 4.29831 3.00000 10.4755 21.2228 12.8949 −27.1762 10.6404 9.00000 91.2221
1.6 4.87534 3.00000 15.7689 −4.78533 14.6260 7.22865 37.8761 9.00000 −23.3301
\(n\): e.g. 2-40 or 80-90
Embeddings: e.g. 1-3 or 1.6
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(3\) \( -1 \)
\(41\) \( -1 \)

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 123.4.a.d 6
3.b odd 2 1 369.4.a.f 6
4.b odd 2 1 1968.4.a.s 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
123.4.a.d 6 1.a even 1 1 trivial
369.4.a.f 6 3.b odd 2 1
1968.4.a.s 6 4.b odd 2 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{2}^{6} - 6T_{2}^{5} - 19T_{2}^{4} + 142T_{2}^{3} + 2T_{2}^{2} - 588T_{2} + 196 \) acting on \(S_{4}^{\mathrm{new}}(\Gamma_0(123))\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{6} - 6 T^{5} + \cdots + 196 \) Copy content Toggle raw display
$3$ \( (T - 3)^{6} \) Copy content Toggle raw display
$5$ \( T^{6} - 37 T^{5} + \cdots + 1135256 \) Copy content Toggle raw display
$7$ \( T^{6} - 14 T^{5} + \cdots + 2293568 \) Copy content Toggle raw display
$11$ \( T^{6} - 50 T^{5} + \cdots - 81911864 \) Copy content Toggle raw display
$13$ \( T^{6} - 27 T^{5} + \cdots - 978161912 \) Copy content Toggle raw display
$17$ \( T^{6} + \cdots + 19797717802 \) Copy content Toggle raw display
$19$ \( T^{6} + \cdots + 1289742832 \) Copy content Toggle raw display
$23$ \( T^{6} + \cdots + 50890186048 \) Copy content Toggle raw display
$29$ \( T^{6} + \cdots + 2531498501216 \) Copy content Toggle raw display
$31$ \( T^{6} + \cdots - 2218959458272 \) Copy content Toggle raw display
$37$ \( T^{6} + \cdots + 884867511276 \) Copy content Toggle raw display
$41$ \( (T - 41)^{6} \) Copy content Toggle raw display
$43$ \( T^{6} + \cdots - 17814848169328 \) Copy content Toggle raw display
$47$ \( T^{6} + \cdots + 96987904976768 \) Copy content Toggle raw display
$53$ \( T^{6} + \cdots - 270637221082112 \) Copy content Toggle raw display
$59$ \( T^{6} + \cdots - 586668983577344 \) Copy content Toggle raw display
$61$ \( T^{6} + \cdots - 499608027642676 \) Copy content Toggle raw display
$67$ \( T^{6} + \cdots - 869522980253504 \) Copy content Toggle raw display
$71$ \( T^{6} + \cdots + 12\!\cdots\!48 \) Copy content Toggle raw display
$73$ \( T^{6} + \cdots - 420232761125654 \) Copy content Toggle raw display
$79$ \( T^{6} + \cdots - 822986137536512 \) Copy content Toggle raw display
$83$ \( T^{6} + \cdots + 41\!\cdots\!88 \) Copy content Toggle raw display
$89$ \( T^{6} + \cdots - 65\!\cdots\!48 \) Copy content Toggle raw display
$97$ \( T^{6} + \cdots - 13\!\cdots\!16 \) Copy content Toggle raw display
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