Properties

Label 2-1840-1.1-c3-0-5
Degree $2$
Conductor $1840$
Sign $1$
Analytic cond. $108.563$
Root an. cond. $10.4193$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.34·3-s + 5·5-s − 32.8·7-s − 25.1·9-s − 58.9·11-s − 60.5·13-s + 6.73·15-s + 31.1·17-s + 43.2·19-s − 44.2·21-s − 23·23-s + 25·25-s − 70.3·27-s − 13.6·29-s − 287.·31-s − 79.4·33-s − 164.·35-s + 279.·37-s − 81.5·39-s − 419.·41-s − 421.·43-s − 125.·45-s − 117.·47-s + 738.·49-s + 42.0·51-s + 439.·53-s − 294.·55-s + ⋯
L(s)  = 1  + 0.259·3-s + 0.447·5-s − 1.77·7-s − 0.932·9-s − 1.61·11-s − 1.29·13-s + 0.115·15-s + 0.444·17-s + 0.522·19-s − 0.460·21-s − 0.208·23-s + 0.200·25-s − 0.501·27-s − 0.0870·29-s − 1.66·31-s − 0.418·33-s − 0.793·35-s + 1.24·37-s − 0.334·39-s − 1.59·41-s − 1.49·43-s − 0.417·45-s − 0.365·47-s + 2.15·49-s + 0.115·51-s + 1.13·53-s − 0.722·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1840 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1840\)    =    \(2^{4} \cdot 5 \cdot 23\)
Sign: $1$
Analytic conductor: \(108.563\)
Root analytic conductor: \(10.4193\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1840,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(0.4363987840\)
\(L(\frac12)\) \(\approx\) \(0.4363987840\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 - 5T \)
23 \( 1 + 23T \)
good3 \( 1 - 1.34T + 27T^{2} \)
7 \( 1 + 32.8T + 343T^{2} \)
11 \( 1 + 58.9T + 1.33e3T^{2} \)
13 \( 1 + 60.5T + 2.19e3T^{2} \)
17 \( 1 - 31.1T + 4.91e3T^{2} \)
19 \( 1 - 43.2T + 6.85e3T^{2} \)
29 \( 1 + 13.6T + 2.43e4T^{2} \)
31 \( 1 + 287.T + 2.97e4T^{2} \)
37 \( 1 - 279.T + 5.06e4T^{2} \)
41 \( 1 + 419.T + 6.89e4T^{2} \)
43 \( 1 + 421.T + 7.95e4T^{2} \)
47 \( 1 + 117.T + 1.03e5T^{2} \)
53 \( 1 - 439.T + 1.48e5T^{2} \)
59 \( 1 - 248.T + 2.05e5T^{2} \)
61 \( 1 + 186.T + 2.26e5T^{2} \)
67 \( 1 + 888.T + 3.00e5T^{2} \)
71 \( 1 - 444.T + 3.57e5T^{2} \)
73 \( 1 - 925.T + 3.89e5T^{2} \)
79 \( 1 - 755.T + 4.93e5T^{2} \)
83 \( 1 - 648.T + 5.71e5T^{2} \)
89 \( 1 + 542.T + 7.04e5T^{2} \)
97 \( 1 + 685.T + 9.12e5T^{2} \)
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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

−9.050378518248265790336173251752, −8.061122989213122962783575057427, −7.33443941042687868323054546131, −6.50624219920037333731454568552, −5.55270623413318353963805272217, −5.14530818275696867217114074330, −3.54137272880196648263579290232, −2.90504271293305082414956330423, −2.22724034943482714338734816417, −0.27709169418141042888344142564, 0.27709169418141042888344142564, 2.22724034943482714338734816417, 2.90504271293305082414956330423, 3.54137272880196648263579290232, 5.14530818275696867217114074330, 5.55270623413318353963805272217, 6.50624219920037333731454568552, 7.33443941042687868323054546131, 8.061122989213122962783575057427, 9.050378518248265790336173251752

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