Properties

Label 2-83942-1.1-c1-0-0
Degree $2$
Conductor $83942$
Sign $1$
Analytic cond. $670.280$
Root an. cond. $25.8897$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2-s + 3-s + 4-s − 6-s − 7-s − 8-s − 2·9-s + 6·11-s + 12-s − 5·13-s + 14-s + 16-s + 3·17-s + 2·18-s − 19-s − 21-s − 6·22-s − 3·23-s − 24-s − 5·25-s + 5·26-s − 5·27-s − 28-s − 9·29-s + 4·31-s − 32-s + 6·33-s + ⋯
L(s)  = 1  − 0.707·2-s + 0.577·3-s + 1/2·4-s − 0.408·6-s − 0.377·7-s − 0.353·8-s − 2/3·9-s + 1.80·11-s + 0.288·12-s − 1.38·13-s + 0.267·14-s + 1/4·16-s + 0.727·17-s + 0.471·18-s − 0.229·19-s − 0.218·21-s − 1.27·22-s − 0.625·23-s − 0.204·24-s − 25-s + 0.980·26-s − 0.962·27-s − 0.188·28-s − 1.67·29-s + 0.718·31-s − 0.176·32-s + 1.04·33-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 83942 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 83942 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(83942\)    =    \(2 \cdot 19 \cdot 47^{2}\)
Sign: $1$
Analytic conductor: \(670.280\)
Root analytic conductor: \(25.8897\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 83942,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.7016851507\)
\(L(\frac12)\) \(\approx\) \(0.7016851507\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 + T \)
19 \( 1 + T \)
47 \( 1 \)
good3 \( 1 - T + p T^{2} \)
5 \( 1 + p T^{2} \)
7 \( 1 + T + p T^{2} \)
11 \( 1 - 6 T + p T^{2} \)
13 \( 1 + 5 T + p T^{2} \)
17 \( 1 - 3 T + p T^{2} \)
23 \( 1 + 3 T + p T^{2} \)
29 \( 1 + 9 T + p T^{2} \)
31 \( 1 - 4 T + p T^{2} \)
37 \( 1 - 2 T + p T^{2} \)
41 \( 1 + p T^{2} \)
43 \( 1 + 8 T + p T^{2} \)
53 \( 1 + 3 T + p T^{2} \)
59 \( 1 - 9 T + p T^{2} \)
61 \( 1 + 10 T + p T^{2} \)
67 \( 1 + 5 T + p T^{2} \)
71 \( 1 + 6 T + p T^{2} \)
73 \( 1 - 7 T + p T^{2} \)
79 \( 1 + 10 T + p T^{2} \)
83 \( 1 + 6 T + p T^{2} \)
89 \( 1 + 12 T + p T^{2} \)
97 \( 1 + 10 T + p T^{2} \)
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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

−14.09856472798290, −13.56639139980168, −12.89916159285587, −12.32309967625486, −11.76829971400069, −11.61987638935613, −11.05354874780792, −10.11651173549817, −9.780783475964418, −9.505193476946141, −8.986137425295702, −8.426953774876378, −7.951907806455181, −7.357388851214493, −7.005544672925941, −6.097344307994004, −6.033607854491681, −5.172089943283222, −4.374359330727821, −3.735503624223504, −3.289309465810118, −2.602253464024178, −1.906685500113735, −1.427002295764017, −0.2814509226632620, 0.2814509226632620, 1.427002295764017, 1.906685500113735, 2.602253464024178, 3.289309465810118, 3.735503624223504, 4.374359330727821, 5.172089943283222, 6.033607854491681, 6.097344307994004, 7.005544672925941, 7.357388851214493, 7.951907806455181, 8.426953774876378, 8.986137425295702, 9.505193476946141, 9.780783475964418, 10.11651173549817, 11.05354874780792, 11.61987638935613, 11.76829971400069, 12.32309967625486, 12.89916159285587, 13.56639139980168, 14.09856472798290

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