Properties

Label 2-1856-1.1-c1-0-49
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 − 1.82·5-s − 4·7-s + 2.82·9-s − 0.414·11-s + 6.65·13-s − 4.41·15-s − 7.65·17-s − 2·19-s − 9.65·21-s + 0.828·23-s − 1.65·25-s − 0.414·27-s − 29-s − 5.58·31-s − 0.999·33-s + 7.31·35-s − 9.65·37-s + 16.0·39-s + 1.65·41-s − 4.41·43-s − 5.17·45-s + 2.07·47-s + 9·49-s − 18.4·51-s + 7·53-s + 0.757·55-s + ⋯
L(s)  = 1  + 1.39·3-s − 0.817·5-s − 1.51·7-s + 0.942·9-s − 0.124·11-s + 1.84·13-s − 1.13·15-s − 1.85·17-s − 0.458·19-s − 2.10·21-s + 0.172·23-s − 0.331·25-s − 0.0797·27-s − 0.185·29-s − 1.00·31-s − 0.174·33-s + 1.23·35-s − 1.58·37-s + 2.57·39-s + 0.258·41-s − 0.673·43-s − 0.770·45-s + 0.302·47-s + 1.28·49-s − 2.58·51-s + 0.961·53-s + 0.102·55-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 \( 1 + 1.82T + 5T^{2} \)
7 \( 1 + 4T + 7T^{2} \)
11 \( 1 + 0.414T + 11T^{2} \)
13 \( 1 - 6.65T + 13T^{2} \)
17 \( 1 + 7.65T + 17T^{2} \)
19 \( 1 + 2T + 19T^{2} \)
23 \( 1 - 0.828T + 23T^{2} \)
31 \( 1 + 5.58T + 31T^{2} \)
37 \( 1 + 9.65T + 37T^{2} \)
41 \( 1 - 1.65T + 41T^{2} \)
43 \( 1 + 4.41T + 43T^{2} \)
47 \( 1 - 2.07T + 47T^{2} \)
53 \( 1 - 7T + 53T^{2} \)
59 \( 1 - 6.48T + 59T^{2} \)
61 \( 1 + 6T + 61T^{2} \)
67 \( 1 + 5.65T + 67T^{2} \)
71 \( 1 + 10.4T + 71T^{2} \)
73 \( 1 - 4T + 73T^{2} \)
79 \( 1 + 15.7T + 79T^{2} \)
83 \( 1 - 3.17T + 83T^{2} \)
89 \( 1 - 1.65T + 89T^{2} \)
97 \( 1 - 15.3T + 97T^{2} \)
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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

−8.822441449479161281216395113381, −8.354246407046856997614930182392, −7.29565544716721833038835982536, −6.66678137656690172789670458769, −5.81856906837569677154367435073, −4.19498172558851350229589155292, −3.68962800224884663978220006350, −3.04424879577720015953312587927, −1.92676069176948613582183832169, 0, 1.92676069176948613582183832169, 3.04424879577720015953312587927, 3.68962800224884663978220006350, 4.19498172558851350229589155292, 5.81856906837569677154367435073, 6.66678137656690172789670458769, 7.29565544716721833038835982536, 8.354246407046856997614930182392, 8.822441449479161281216395113381

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