Properties

Label 2-1856-1.1-c3-0-70
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  − 1.95·3-s − 18.0·5-s − 22.0·7-s − 23.1·9-s + 11.1·11-s + 0.532·13-s + 35.2·15-s + 56.2·17-s + 26.5·19-s + 42.9·21-s − 66.9·23-s + 201.·25-s + 97.9·27-s + 29·29-s − 85.2·31-s − 21.8·33-s + 397.·35-s + 180.·37-s − 1.03·39-s + 46.4·41-s + 212.·43-s + 418.·45-s − 108.·47-s + 141.·49-s − 109.·51-s + 444.·53-s − 202.·55-s + ⋯
L(s)  = 1  − 0.375·3-s − 1.61·5-s − 1.18·7-s − 0.859·9-s + 0.306·11-s + 0.0113·13-s + 0.606·15-s + 0.802·17-s + 0.320·19-s + 0.446·21-s − 0.606·23-s + 1.61·25-s + 0.698·27-s + 0.185·29-s − 0.494·31-s − 0.115·33-s + 1.92·35-s + 0.800·37-s − 0.00426·39-s + 0.176·41-s + 0.753·43-s + 1.38·45-s − 0.336·47-s + 0.413·49-s − 0.301·51-s + 1.15·53-s − 0.495·55-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 \( 1 + 1.95T + 27T^{2} \)
5 \( 1 + 18.0T + 125T^{2} \)
7 \( 1 + 22.0T + 343T^{2} \)
11 \( 1 - 11.1T + 1.33e3T^{2} \)
13 \( 1 - 0.532T + 2.19e3T^{2} \)
17 \( 1 - 56.2T + 4.91e3T^{2} \)
19 \( 1 - 26.5T + 6.85e3T^{2} \)
23 \( 1 + 66.9T + 1.21e4T^{2} \)
31 \( 1 + 85.2T + 2.97e4T^{2} \)
37 \( 1 - 180.T + 5.06e4T^{2} \)
41 \( 1 - 46.4T + 6.89e4T^{2} \)
43 \( 1 - 212.T + 7.95e4T^{2} \)
47 \( 1 + 108.T + 1.03e5T^{2} \)
53 \( 1 - 444.T + 1.48e5T^{2} \)
59 \( 1 - 43.3T + 2.05e5T^{2} \)
61 \( 1 + 33.1T + 2.26e5T^{2} \)
67 \( 1 - 988.T + 3.00e5T^{2} \)
71 \( 1 - 154.T + 3.57e5T^{2} \)
73 \( 1 + 1.03e3T + 3.89e5T^{2} \)
79 \( 1 - 631.T + 4.93e5T^{2} \)
83 \( 1 + 145.T + 5.71e5T^{2} \)
89 \( 1 - 169.T + 7.04e5T^{2} \)
97 \( 1 + 29.4T + 9.12e5T^{2} \)
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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

−8.381475631456024926776574837651, −7.72440001755032850924864466474, −6.93233688162707639798147717065, −6.13049340973424681331284285151, −5.30962818259831222440442411954, −4.13451603774120340906736468936, −3.50972779520580033447092189958, −2.72629218893552971598967717870, −0.822590028748596357402277513252, 0, 0.822590028748596357402277513252, 2.72629218893552971598967717870, 3.50972779520580033447092189958, 4.13451603774120340906736468936, 5.30962818259831222440442411954, 6.13049340973424681331284285151, 6.93233688162707639798147717065, 7.72440001755032850924864466474, 8.381475631456024926776574837651

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