Properties

Label 2-1856-1.1-c3-0-142
Degree $2$
Conductor $1856$
Sign $-1$
Analytic cond. $109.507$
Root an. cond. $10.4645$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 4.87·3-s − 10.4·5-s + 23.3·7-s − 3.18·9-s + 23.8·11-s − 12.7·13-s − 51.1·15-s + 3.47·17-s + 33.0·19-s + 113.·21-s − 141.·23-s − 15.2·25-s − 147.·27-s + 29·29-s − 301.·31-s + 116.·33-s − 244.·35-s − 83.0·37-s − 62.3·39-s + 282.·41-s + 151.·43-s + 33.4·45-s − 138.·47-s + 200.·49-s + 16.9·51-s − 452.·53-s − 249.·55-s + ⋯
L(s)  = 1  + 0.939·3-s − 0.937·5-s + 1.25·7-s − 0.118·9-s + 0.653·11-s − 0.272·13-s − 0.880·15-s + 0.0496·17-s + 0.399·19-s + 1.18·21-s − 1.28·23-s − 0.121·25-s − 1.05·27-s + 0.185·29-s − 1.74·31-s + 0.613·33-s − 1.17·35-s − 0.369·37-s − 0.256·39-s + 1.07·41-s + 0.537·43-s + 0.110·45-s − 0.430·47-s + 0.584·49-s + 0.0465·51-s − 1.17·53-s − 0.612·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1856 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1856 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1856\)    =    \(2^{6} \cdot 29\)
Sign: $-1$
Analytic conductor: \(109.507\)
Root analytic conductor: \(10.4645\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1856,\ (\ :3/2),\ -1)\)

Particular Values

\(L(2)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{5}{2})\) 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 \( 1 - 29T \)
good3 \( 1 - 4.87T + 27T^{2} \)
5 \( 1 + 10.4T + 125T^{2} \)
7 \( 1 - 23.3T + 343T^{2} \)
11 \( 1 - 23.8T + 1.33e3T^{2} \)
13 \( 1 + 12.7T + 2.19e3T^{2} \)
17 \( 1 - 3.47T + 4.91e3T^{2} \)
19 \( 1 - 33.0T + 6.85e3T^{2} \)
23 \( 1 + 141.T + 1.21e4T^{2} \)
31 \( 1 + 301.T + 2.97e4T^{2} \)
37 \( 1 + 83.0T + 5.06e4T^{2} \)
41 \( 1 - 282.T + 6.89e4T^{2} \)
43 \( 1 - 151.T + 7.95e4T^{2} \)
47 \( 1 + 138.T + 1.03e5T^{2} \)
53 \( 1 + 452.T + 1.48e5T^{2} \)
59 \( 1 - 548.T + 2.05e5T^{2} \)
61 \( 1 - 28.9T + 2.26e5T^{2} \)
67 \( 1 + 521.T + 3.00e5T^{2} \)
71 \( 1 + 263.T + 3.57e5T^{2} \)
73 \( 1 - 765.T + 3.89e5T^{2} \)
79 \( 1 + 367.T + 4.93e5T^{2} \)
83 \( 1 + 13.2T + 5.71e5T^{2} \)
89 \( 1 + 1.09e3T + 7.04e5T^{2} \)
97 \( 1 - 469.T + 9.12e5T^{2} \)
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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

−8.411801432123869064417643021288, −7.73670823403082397080050613536, −7.39205562909249025920962277524, −6.05923177044546255635060875445, −5.09718409542321486383971041488, −4.09835144578778905967820082204, −3.58351772455205149355166883734, −2.37997804740801584917375860951, −1.48598136447226439093564673186, 0, 1.48598136447226439093564673186, 2.37997804740801584917375860951, 3.58351772455205149355166883734, 4.09835144578778905967820082204, 5.09718409542321486383971041488, 6.05923177044546255635060875445, 7.39205562909249025920962277524, 7.73670823403082397080050613536, 8.411801432123869064417643021288

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