Properties

Label 2-1856-1.1-c1-0-24
Degree $2$
Conductor $1856$
Sign $1$
Analytic cond. $14.8202$
Root an. cond. $3.84970$
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  + 1.26·3-s + 3.64·5-s − 1.51·7-s − 1.40·9-s + 1.84·11-s + 3.46·13-s + 4.60·15-s + 1.23·17-s − 4.85·19-s − 1.91·21-s + 8.04·23-s + 8.25·25-s − 5.56·27-s + 29-s − 5.45·31-s + 2.32·33-s − 5.51·35-s + 11.9·37-s + 4.37·39-s + 3.01·41-s + 1.84·43-s − 5.10·45-s + 11.3·47-s − 4.70·49-s + 1.56·51-s + 0.535·53-s + 6.70·55-s + ⋯
L(s)  = 1  + 0.729·3-s + 1.62·5-s − 0.572·7-s − 0.467·9-s + 0.555·11-s + 0.960·13-s + 1.18·15-s + 0.300·17-s − 1.11·19-s − 0.417·21-s + 1.67·23-s + 1.65·25-s − 1.07·27-s + 0.185·29-s − 0.979·31-s + 0.405·33-s − 0.932·35-s + 1.96·37-s + 0.701·39-s + 0.470·41-s + 0.280·43-s − 0.760·45-s + 1.65·47-s − 0.672·49-s + 0.219·51-s + 0.0736·53-s + 0.903·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1856 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1856 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1856\)    =    \(2^{6} \cdot 29\)
Sign: $1$
Analytic conductor: \(14.8202\)
Root analytic conductor: \(3.84970\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1856,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.957445346\)
\(L(\frac12)\) \(\approx\) \(2.957445346\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
29 \( 1 - T \)
good3 \( 1 - 1.26T + 3T^{2} \)
5 \( 1 - 3.64T + 5T^{2} \)
7 \( 1 + 1.51T + 7T^{2} \)
11 \( 1 - 1.84T + 11T^{2} \)
13 \( 1 - 3.46T + 13T^{2} \)
17 \( 1 - 1.23T + 17T^{2} \)
19 \( 1 + 4.85T + 19T^{2} \)
23 \( 1 - 8.04T + 23T^{2} \)
31 \( 1 + 5.45T + 31T^{2} \)
37 \( 1 - 11.9T + 37T^{2} \)
41 \( 1 - 3.01T + 41T^{2} \)
43 \( 1 - 1.84T + 43T^{2} \)
47 \( 1 - 11.3T + 47T^{2} \)
53 \( 1 - 0.535T + 53T^{2} \)
59 \( 1 + 5.01T + 59T^{2} \)
61 \( 1 + 9.32T + 61T^{2} \)
67 \( 1 + 2.67T + 67T^{2} \)
71 \( 1 - 8.03T + 71T^{2} \)
73 \( 1 - 9.48T + 73T^{2} \)
79 \( 1 + 16.4T + 79T^{2} \)
83 \( 1 - 2.71T + 83T^{2} \)
89 \( 1 + 3.19T + 89T^{2} \)
97 \( 1 - 5.68T + 97T^{2} \)
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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

−9.093032273049499112807495118607, −8.880893763195023017802551881795, −7.76600432301642592673245039751, −6.62840814338440210249146929812, −6.10492364405449883525275883138, −5.43296070481913198369081303455, −4.15103554493679446308620313113, −3.07988272261199512728357272830, −2.37621837718280977700492385315, −1.24728636001167613529215300865, 1.24728636001167613529215300865, 2.37621837718280977700492385315, 3.07988272261199512728357272830, 4.15103554493679446308620313113, 5.43296070481913198369081303455, 6.10492364405449883525275883138, 6.62840814338440210249146929812, 7.76600432301642592673245039751, 8.880893763195023017802551881795, 9.093032273049499112807495118607

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