Properties

Label 2-7942-1.1-c1-0-128
Degree $2$
Conductor $7942$
Sign $1$
Analytic cond. $63.4171$
Root an. cond. $7.96349$
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-s + 3.39·3-s + 4-s − 1.71·5-s − 3.39·6-s + 0.718·7-s − 8-s + 8.50·9-s + 1.71·10-s + 11-s + 3.39·12-s − 0.718·13-s − 0.718·14-s − 5.82·15-s + 16-s + 1.67·17-s − 8.50·18-s − 1.71·20-s + 2.43·21-s − 22-s + 1.11·23-s − 3.39·24-s − 2.04·25-s + 0.718·26-s + 18.6·27-s + 0.718·28-s + 8.17·29-s + ⋯
L(s)  = 1  − 0.707·2-s + 1.95·3-s + 0.5·4-s − 0.768·5-s − 1.38·6-s + 0.271·7-s − 0.353·8-s + 2.83·9-s + 0.543·10-s + 0.301·11-s + 0.979·12-s − 0.199·13-s − 0.192·14-s − 1.50·15-s + 0.250·16-s + 0.405·17-s − 2.00·18-s − 0.384·20-s + 0.531·21-s − 0.213·22-s + 0.231·23-s − 0.692·24-s − 0.409·25-s + 0.140·26-s + 3.59·27-s + 0.135·28-s + 1.51·29-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 7942 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 7942 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(7942\)    =    \(2 \cdot 11 \cdot 19^{2}\)
Sign: $1$
Analytic conductor: \(63.4171\)
Root analytic conductor: \(7.96349\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 7942,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(3.271344539\)
\(L(\frac12)\) \(\approx\) \(3.271344539\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + T \)
11 \( 1 - T \)
19 \( 1 \)
good3 \( 1 - 3.39T + 3T^{2} \)
5 \( 1 + 1.71T + 5T^{2} \)
7 \( 1 - 0.718T + 7T^{2} \)
13 \( 1 + 0.718T + 13T^{2} \)
17 \( 1 - 1.67T + 17T^{2} \)
23 \( 1 - 1.11T + 23T^{2} \)
29 \( 1 - 8.17T + 29T^{2} \)
31 \( 1 - 5.82T + 31T^{2} \)
37 \( 1 - 1.43T + 37T^{2} \)
41 \( 1 - 8.39T + 41T^{2} \)
43 \( 1 - 7.71T + 43T^{2} \)
47 \( 1 - 4.78T + 47T^{2} \)
53 \( 1 + 13.3T + 53T^{2} \)
59 \( 1 + 11.8T + 59T^{2} \)
61 \( 1 - 4.12T + 61T^{2} \)
67 \( 1 + 6.81T + 67T^{2} \)
71 \( 1 - 4.93T + 71T^{2} \)
73 \( 1 + 13.3T + 73T^{2} \)
79 \( 1 + 4.09T + 79T^{2} \)
83 \( 1 + 14.5T + 83T^{2} \)
89 \( 1 + 11.0T + 89T^{2} \)
97 \( 1 + 3.34T + 97T^{2} \)
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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

−7.963429553250860042595713680787, −7.53036011825149460109680628439, −6.90084972989188823720327949947, −6.02011778073838328228656869973, −4.50177638210504712013245642410, −4.28182370979902261894868308081, −3.12831086390966373277756932688, −2.84080774109668872461600137458, −1.80118597259813148344029181559, −0.958263147803530099219741239877, 0.958263147803530099219741239877, 1.80118597259813148344029181559, 2.84080774109668872461600137458, 3.12831086390966373277756932688, 4.28182370979902261894868308081, 4.50177638210504712013245642410, 6.02011778073838328228656869973, 6.90084972989188823720327949947, 7.53036011825149460109680628439, 7.963429553250860042595713680787

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