Properties

Label 2-1856-1.1-c1-0-31
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 2.41·3-s + 5-s − 2.82·7-s + 2.82·9-s + 0.414·11-s + 3.82·13-s − 2.41·15-s + 0.828·17-s − 6·19-s + 6.82·21-s + 3.65·23-s − 4·25-s + 0.414·27-s − 29-s + 10.0·31-s − 0.999·33-s − 2.82·35-s + 4·37-s − 9.24·39-s − 4.48·41-s − 3.58·43-s + 2.82·45-s − 3.24·47-s + 1.00·49-s − 1.99·51-s − 9.48·53-s + 0.414·55-s + ⋯
L(s)  = 1  − 1.39·3-s + 0.447·5-s − 1.06·7-s + 0.942·9-s + 0.124·11-s + 1.06·13-s − 0.623·15-s + 0.200·17-s − 1.37·19-s + 1.49·21-s + 0.762·23-s − 0.800·25-s + 0.0797·27-s − 0.185·29-s + 1.80·31-s − 0.174·33-s − 0.478·35-s + 0.657·37-s − 1.48·39-s − 0.700·41-s − 0.546·43-s + 0.421·45-s − 0.472·47-s + 0.142·49-s − 0.280·51-s − 1.30·53-s + 0.0558·55-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: \(1\)
Selberg data: \((2,\ 1856,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) 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 \( 1 + 2.41T + 3T^{2} \)
5 \( 1 - T + 5T^{2} \)
7 \( 1 + 2.82T + 7T^{2} \)
11 \( 1 - 0.414T + 11T^{2} \)
13 \( 1 - 3.82T + 13T^{2} \)
17 \( 1 - 0.828T + 17T^{2} \)
19 \( 1 + 6T + 19T^{2} \)
23 \( 1 - 3.65T + 23T^{2} \)
31 \( 1 - 10.0T + 31T^{2} \)
37 \( 1 - 4T + 37T^{2} \)
41 \( 1 + 4.48T + 41T^{2} \)
43 \( 1 + 3.58T + 43T^{2} \)
47 \( 1 + 3.24T + 47T^{2} \)
53 \( 1 + 9.48T + 53T^{2} \)
59 \( 1 - 3.65T + 59T^{2} \)
61 \( 1 - 4.82T + 61T^{2} \)
67 \( 1 + 5.65T + 67T^{2} \)
71 \( 1 + 8.82T + 71T^{2} \)
73 \( 1 - 4T + 73T^{2} \)
79 \( 1 + 2.41T + 79T^{2} \)
83 \( 1 + 7.65T + 83T^{2} \)
89 \( 1 + 12.4T + 89T^{2} \)
97 \( 1 - 4.48T + 97T^{2} \)
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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

−8.935108489628942822524308248902, −8.109341981290463959091062380491, −6.76966144069386946384857676520, −6.35496258510786618587539178043, −5.88224680086553034473616615342, −4.90316089408612750083044511199, −3.96437482878671976976643338134, −2.83904810850298681045805294085, −1.33705204080188680039538287194, 0, 1.33705204080188680039538287194, 2.83904810850298681045805294085, 3.96437482878671976976643338134, 4.90316089408612750083044511199, 5.88224680086553034473616615342, 6.35496258510786618587539178043, 6.76966144069386946384857676520, 8.109341981290463959091062380491, 8.935108489628942822524308248902

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