Properties

Label 2-976-1.1-c1-0-7
Degree $2$
Conductor $976$
Sign $1$
Analytic cond. $7.79339$
Root an. cond. $2.79166$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.97·3-s + 2.62·5-s + 3.05·7-s + 5.84·9-s + 6.02·11-s − 0.344·13-s − 7.82·15-s − 7.07·17-s + 1.71·19-s − 9.07·21-s − 4.76·23-s + 1.91·25-s − 8.46·27-s + 9.82·29-s + 0.127·31-s − 17.9·33-s + 8.02·35-s + 5.66·37-s + 1.02·39-s + 4.50·41-s − 6.66·43-s + 15.3·45-s + 4.84·47-s + 2.31·49-s + 21.0·51-s + 2.84·53-s + 15.8·55-s + ⋯
L(s)  = 1  − 1.71·3-s + 1.17·5-s + 1.15·7-s + 1.94·9-s + 1.81·11-s − 0.0956·13-s − 2.01·15-s − 1.71·17-s + 0.393·19-s − 1.98·21-s − 0.994·23-s + 0.382·25-s − 1.62·27-s + 1.82·29-s + 0.0229·31-s − 3.12·33-s + 1.35·35-s + 0.931·37-s + 0.164·39-s + 0.703·41-s − 1.01·43-s + 2.29·45-s + 0.706·47-s + 0.331·49-s + 2.94·51-s + 0.391·53-s + 2.13·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 976 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 976 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(976\)    =    \(2^{4} \cdot 61\)
Sign: $1$
Analytic conductor: \(7.79339\)
Root analytic conductor: \(2.79166\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 976,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.386367181\)
\(L(\frac12)\) \(\approx\) \(1.386367181\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
61 \( 1 + T \)
good3 \( 1 + 2.97T + 3T^{2} \)
5 \( 1 - 2.62T + 5T^{2} \)
7 \( 1 - 3.05T + 7T^{2} \)
11 \( 1 - 6.02T + 11T^{2} \)
13 \( 1 + 0.344T + 13T^{2} \)
17 \( 1 + 7.07T + 17T^{2} \)
19 \( 1 - 1.71T + 19T^{2} \)
23 \( 1 + 4.76T + 23T^{2} \)
29 \( 1 - 9.82T + 29T^{2} \)
31 \( 1 - 0.127T + 31T^{2} \)
37 \( 1 - 5.66T + 37T^{2} \)
41 \( 1 - 4.50T + 41T^{2} \)
43 \( 1 + 6.66T + 43T^{2} \)
47 \( 1 - 4.84T + 47T^{2} \)
53 \( 1 - 2.84T + 53T^{2} \)
59 \( 1 + 4.31T + 59T^{2} \)
67 \( 1 - 13.0T + 67T^{2} \)
71 \( 1 + 4.44T + 71T^{2} \)
73 \( 1 + 12.7T + 73T^{2} \)
79 \( 1 - 7.12T + 79T^{2} \)
83 \( 1 + 9.69T + 83T^{2} \)
89 \( 1 + 4.67T + 89T^{2} \)
97 \( 1 - 8.51T + 97T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−10.14570947598313369077796796834, −9.388067630377039945476189586843, −8.455529578366395912409642866122, −7.05642213202246236785710586985, −6.34434039786369212408953120431, −5.88187670247273219267157644418, −4.77103022400674699085576756493, −4.28358979838844296969975450029, −2.03760015817707503539696098249, −1.11115472466280201906502364703, 1.11115472466280201906502364703, 2.03760015817707503539696098249, 4.28358979838844296969975450029, 4.77103022400674699085576756493, 5.88187670247273219267157644418, 6.34434039786369212408953120431, 7.05642213202246236785710586985, 8.455529578366395912409642866122, 9.388067630377039945476189586843, 10.14570947598313369077796796834

Graph of the $Z$-function along the critical line