Properties

Label 8619.2.a.bm
Level $8619$
Weight $2$
Character orbit 8619.a
Self dual yes
Analytic conductor $68.823$
Analytic rank $1$
Dimension $12$
CM no
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [8619,2,Mod(1,8619)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(8619, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("8619.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 8619 = 3 \cdot 13^{2} \cdot 17 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 8619.a (trivial)

Newform invariants

comment: select newform
 
sage: f = N[0] # Warning: the index may be different
 
gp: f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(68.8230615021\)
Analytic rank: \(1\)
Dimension: \(12\)
Coefficient field: \(\mathbb{Q}[x]/(x^{12} - \cdots)\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{12} - 19x^{10} + 110x^{8} - 272x^{6} + 301x^{4} - 129x^{2} + 9 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{5}]\)
Coefficient ring index: \( 3 \)
Twist minimal: no (minimal twist has level 663)
Fricke sign: \(1\)
Sato-Tate group: $\mathrm{SU}(2)$

$q$-expansion

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

Coefficients of the \(q\)-expansion are expressed in terms of a basis \(1,\beta_1,\ldots,\beta_{11}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_{7} q^{2} - q^{3} + ( - \beta_{2} + 1) q^{4} + ( - \beta_{10} - \beta_{7} - \beta_1) q^{5} - \beta_{7} q^{6} + \beta_{10} q^{7} + (\beta_{11} + \beta_{10} + \cdots + 2 \beta_1) q^{8}+ \cdots + q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{7} q^{2} - q^{3} + ( - \beta_{2} + 1) q^{4} + ( - \beta_{10} - \beta_{7} - \beta_1) q^{5} - \beta_{7} q^{6} + \beta_{10} q^{7} + (\beta_{11} + \beta_{10} + \cdots + 2 \beta_1) q^{8}+ \cdots + ( - \beta_{10} - \beta_{6}) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 12 q - 12 q^{3} + 16 q^{4} + 12 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 12 q - 12 q^{3} + 16 q^{4} + 12 q^{9} - 18 q^{10} - 16 q^{12} - 6 q^{14} + 12 q^{17} + 6 q^{22} + 8 q^{23} - 8 q^{25} - 12 q^{27} + 8 q^{29} + 18 q^{30} - 26 q^{35} + 16 q^{36} - 30 q^{38} - 52 q^{40} + 6 q^{42} - 8 q^{43} - 38 q^{49} - 12 q^{51} - 14 q^{53} + 26 q^{55} + 2 q^{56} - 12 q^{61} + 52 q^{62} + 4 q^{64} - 6 q^{66} + 16 q^{68} - 8 q^{69} - 62 q^{74} + 8 q^{75} - 40 q^{77} - 52 q^{79} + 12 q^{81} + 38 q^{82} - 8 q^{87} - 2 q^{88} - 18 q^{90} + 12 q^{92} + 10 q^{94} - 8 q^{95}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{12} - 19x^{10} + 110x^{8} - 272x^{6} + 301x^{4} - 129x^{2} + 9 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 8\nu^{10} - 131\nu^{8} + 547\nu^{6} - 925\nu^{4} + 839\nu^{2} - 363 ) / 87 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( -10\nu^{10} + 142\nu^{8} - 314\nu^{6} - 475\nu^{4} + 1322\nu^{2} - 438 ) / 87 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -17\nu^{10} + 311\nu^{8} - 1630\nu^{6} + 3151\nu^{4} - 1772\nu^{2} - 66 ) / 87 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -25\nu^{10} + 442\nu^{8} - 2177\nu^{6} + 4076\nu^{4} - 2524\nu^{2} + 36 ) / 87 \) Copy content Toggle raw display
\(\beta_{6}\)\(=\) \( ( -34\nu^{11} + 622\nu^{9} - 3347\nu^{7} + 7607\nu^{5} - 7459\nu^{3} + 2130\nu ) / 261 \) Copy content Toggle raw display
\(\beta_{7}\)\(=\) \( ( 41\nu^{11} - 704\nu^{9} + 3184\nu^{7} - 4621\nu^{5} + 113\nu^{3} + 2283\nu ) / 261 \) Copy content Toggle raw display
\(\beta_{8}\)\(=\) \( ( 47\nu^{10} - 824\nu^{8} + 3964\nu^{6} - 7033\nu^{4} + 4157\nu^{2} - 360 ) / 87 \) Copy content Toggle raw display
\(\beta_{9}\)\(=\) \( ( 74\nu^{11} - 1277\nu^{9} + 5995\nu^{7} - 11014\nu^{5} + 8696\nu^{3} - 3162\nu ) / 261 \) Copy content Toggle raw display
\(\beta_{10}\)\(=\) \( ( -91\nu^{11} + 1588\nu^{9} - 7538\nu^{7} + 12860\nu^{5} - 6292\nu^{3} - 732\nu ) / 261 \) Copy content Toggle raw display
\(\beta_{11}\)\(=\) \( ( -95\nu^{11} + 1784\nu^{9} - 9943\nu^{7} + 21892\nu^{5} - 17717\nu^{3} + 2973\nu ) / 261 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{5} - \beta_{4} + \beta_{2} + 3 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( -\beta_{11} + 2\beta_{10} + 2\beta_{9} + \beta_{7} + 3\beta_{6} + 8\beta_1 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( -2\beta_{8} + 10\beta_{5} - 14\beta_{4} - \beta_{3} + 12\beta_{2} + 22 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( -13\beta_{11} + 29\beta_{10} + 26\beta_{9} + 18\beta_{7} + 37\beta_{6} + 85\beta_1 \) Copy content Toggle raw display
\(\nu^{6}\)\(=\) \( -29\beta_{8} + 104\beta_{5} - 161\beta_{4} - 13\beta_{3} + 137\beta_{2} + 221 \) Copy content Toggle raw display
\(\nu^{7}\)\(=\) \( -148\beta_{11} + 343\beta_{10} + 298\beta_{9} + 223\beta_{7} + 413\beta_{6} + 937\beta_1 \) Copy content Toggle raw display
\(\nu^{8}\)\(=\) \( -343\beta_{8} + 1127\beta_{5} - 1796\beta_{4} - 150\beta_{3} + 1533\beta_{2} + 2393 \) Copy content Toggle raw display
\(\nu^{9}\)\(=\) \( -1646\beta_{11} + 3865\beta_{10} + 3329\beta_{9} + 2545\beta_{7} + 4569\beta_{6} + 10371\beta_1 \) Copy content Toggle raw display
\(\nu^{10}\)\(=\) \( -3865\beta_{8} + 12395\beta_{5} - 19915\beta_{4} - 1683\beta_{3} + 17029\beta_{2} + 26349 \) Copy content Toggle raw display
\(\nu^{11}\)\(=\) \( -18232\beta_{11} + 42991\beta_{10} + 36944\beta_{9} + 28414\beta_{7} + 50542\beta_{6} + 114814\beta_1 \) 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.

comment: embeddings in the coefficient field
 
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
−0.292541
1.78316
−0.952347
1.17972
1.53857
3.32699
−3.32699
−1.53857
−1.17972
0.952347
−1.78316
0.292541
−2.53399 −1.00000 4.42112 1.50290 2.53399 1.32363 −6.13509 1.00000 −3.80833
1.2 −2.43081 −1.00000 3.90886 2.70824 2.43081 −2.06058 −4.64008 1.00000 −6.58322
1.3 −1.85567 −1.00000 1.44352 1.11030 1.85567 1.69772 1.03264 1.00000 −2.06034
1.4 −1.60153 −1.00000 0.564914 −2.21119 1.60153 2.63300 2.29834 1.00000 3.54130
1.5 −0.983829 −1.00000 −1.03208 2.12454 0.983829 −2.67929 2.98305 1.00000 −2.09019
1.6 −0.832869 −1.00000 −1.30633 −2.40228 0.832869 −0.0918385 2.75374 1.00000 2.00078
1.7 0.832869 −1.00000 −1.30633 2.40228 −0.832869 0.0918385 −2.75374 1.00000 2.00078
1.8 0.983829 −1.00000 −1.03208 −2.12454 −0.983829 2.67929 −2.98305 1.00000 −2.09019
1.9 1.60153 −1.00000 0.564914 2.21119 −1.60153 −2.63300 −2.29834 1.00000 3.54130
1.10 1.85567 −1.00000 1.44352 −1.11030 −1.85567 −1.69772 −1.03264 1.00000 −2.06034
1.11 2.43081 −1.00000 3.90886 −2.70824 −2.43081 2.06058 4.64008 1.00000 −6.58322
1.12 2.53399 −1.00000 4.42112 −1.50290 −2.53399 −1.32363 6.13509 1.00000 −3.80833
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1.12
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(3\) \(1\)
\(13\) \(-1\)
\(17\) \(-1\)

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
13.b even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 8619.2.a.bm 12
13.b even 2 1 inner 8619.2.a.bm 12
13.f odd 12 2 663.2.z.c 12
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
663.2.z.c 12 13.f odd 12 2
8619.2.a.bm 12 1.a even 1 1 trivial
8619.2.a.bm 12 13.b even 2 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(8619))\):

\( T_{2}^{12} - 20T_{2}^{10} + 152T_{2}^{8} - 550T_{2}^{6} + 976T_{2}^{4} - 783T_{2}^{2} + 225 \) Copy content Toggle raw display
\( T_{5}^{12} - 26T_{5}^{10} + 269T_{5}^{8} - 1405T_{5}^{6} + 3856T_{5}^{4} - 5175T_{5}^{2} + 2601 \) Copy content Toggle raw display
\( T_{7}^{12} - 23T_{7}^{10} + 200T_{7}^{8} - 814T_{7}^{6} + 1540T_{7}^{4} - 1080T_{7}^{2} + 9 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{12} - 20 T^{10} + \cdots + 225 \) Copy content Toggle raw display
$3$ \( (T + 1)^{12} \) Copy content Toggle raw display
$5$ \( T^{12} - 26 T^{10} + \cdots + 2601 \) Copy content Toggle raw display
$7$ \( T^{12} - 23 T^{10} + \cdots + 9 \) Copy content Toggle raw display
$11$ \( T^{12} - 35 T^{10} + \cdots + 9 \) Copy content Toggle raw display
$13$ \( T^{12} \) Copy content Toggle raw display
$17$ \( (T - 1)^{12} \) Copy content Toggle raw display
$19$ \( T^{12} - 65 T^{10} + \cdots + 335241 \) Copy content Toggle raw display
$23$ \( (T^{6} - 4 T^{5} - 69 T^{4} + \cdots + 81)^{2} \) Copy content Toggle raw display
$29$ \( (T^{6} - 4 T^{5} + \cdots - 153)^{2} \) Copy content Toggle raw display
$31$ \( T^{12} - 143 T^{10} + \cdots + 19158129 \) Copy content Toggle raw display
$37$ \( T^{12} - 124 T^{10} + \cdots + 140625 \) Copy content Toggle raw display
$41$ \( T^{12} - 307 T^{10} + \cdots + 11309769 \) Copy content Toggle raw display
$43$ \( (T^{6} + 4 T^{5} + \cdots - 873)^{2} \) Copy content Toggle raw display
$47$ \( T^{12} + \cdots + 1731142449 \) Copy content Toggle raw display
$53$ \( (T^{6} + 7 T^{5} + \cdots - 117)^{2} \) Copy content Toggle raw display
$59$ \( T^{12} - 199 T^{10} + \cdots + 6095961 \) Copy content Toggle raw display
$61$ \( (T^{6} + 6 T^{5} + \cdots - 9743)^{2} \) Copy content Toggle raw display
$67$ \( T^{12} + \cdots + 324324081 \) Copy content Toggle raw display
$71$ \( T^{12} + \cdots + 19424275641 \) Copy content Toggle raw display
$73$ \( T^{12} - 454 T^{10} + \cdots + 6985449 \) Copy content Toggle raw display
$79$ \( (T^{6} + 26 T^{5} + \cdots - 58469)^{2} \) Copy content Toggle raw display
$83$ \( T^{12} + \cdots + 177497903025 \) Copy content Toggle raw display
$89$ \( T^{12} + \cdots + 971755929 \) Copy content Toggle raw display
$97$ \( T^{12} - 301 T^{10} + \cdots + 7080921 \) Copy content Toggle raw display
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