Properties

Label 2-1840-1.1-c1-0-14
Degree $2$
Conductor $1840$
Sign $1$
Analytic cond. $14.6924$
Root an. cond. $3.83307$
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  − 1.56·3-s + 5-s + 3.50·7-s − 0.561·9-s + 0.659·11-s + 5.91·13-s − 1.56·15-s + 0.844·17-s − 0.659·19-s − 5.47·21-s + 23-s + 25-s + 5.56·27-s + 1.59·29-s − 6.75·31-s − 1.02·33-s + 3.50·35-s − 11.7·37-s − 9.22·39-s + 6.40·41-s + 9.47·43-s − 0.561·45-s − 6.88·47-s + 5.27·49-s − 1.31·51-s + 6.64·53-s + 0.659·55-s + ⋯
L(s)  = 1  − 0.901·3-s + 0.447·5-s + 1.32·7-s − 0.187·9-s + 0.198·11-s + 1.63·13-s − 0.403·15-s + 0.204·17-s − 0.151·19-s − 1.19·21-s + 0.208·23-s + 0.200·25-s + 1.07·27-s + 0.295·29-s − 1.21·31-s − 0.179·33-s + 0.592·35-s − 1.93·37-s − 1.47·39-s + 1.00·41-s + 1.44·43-s − 0.0837·45-s − 1.00·47-s + 0.754·49-s − 0.184·51-s + 0.913·53-s + 0.0889·55-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(1840\)    =    \(2^{4} \cdot 5 \cdot 23\)
Sign: $1$
Analytic conductor: \(14.6924\)
Root analytic conductor: \(3.83307\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1840,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.698500895\)
\(L(\frac12)\) \(\approx\) \(1.698500895\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 - T \)
23 \( 1 - T \)
good3 \( 1 + 1.56T + 3T^{2} \)
7 \( 1 - 3.50T + 7T^{2} \)
11 \( 1 - 0.659T + 11T^{2} \)
13 \( 1 - 5.91T + 13T^{2} \)
17 \( 1 - 0.844T + 17T^{2} \)
19 \( 1 + 0.659T + 19T^{2} \)
29 \( 1 - 1.59T + 29T^{2} \)
31 \( 1 + 6.75T + 31T^{2} \)
37 \( 1 + 11.7T + 37T^{2} \)
41 \( 1 - 6.40T + 41T^{2} \)
43 \( 1 - 9.47T + 43T^{2} \)
47 \( 1 + 6.88T + 47T^{2} \)
53 \( 1 - 6.64T + 53T^{2} \)
59 \( 1 - 4.97T + 59T^{2} \)
61 \( 1 - 5.78T + 61T^{2} \)
67 \( 1 + 8.31T + 67T^{2} \)
71 \( 1 - 3.63T + 71T^{2} \)
73 \( 1 + 13.9T + 73T^{2} \)
79 \( 1 + 1.02T + 79T^{2} \)
83 \( 1 - 8.27T + 83T^{2} \)
89 \( 1 - 17.6T + 89T^{2} \)
97 \( 1 + 8.34T + 97T^{2} \)
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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

−8.982675253708169267097441012434, −8.639951976706135274805001191644, −7.68279564422352762120401154319, −6.71069265155203779856264617423, −5.85677648523901971095267999764, −5.39380599875681564164645735690, −4.49242654461457814546483828129, −3.44344057798255965365626998244, −1.96785464371632331764879492860, −0.996302207714653502888639586750, 0.996302207714653502888639586750, 1.96785464371632331764879492860, 3.44344057798255965365626998244, 4.49242654461457814546483828129, 5.39380599875681564164645735690, 5.85677648523901971095267999764, 6.71069265155203779856264617423, 7.68279564422352762120401154319, 8.639951976706135274805001191644, 8.982675253708169267097441012434

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