Properties

Label 2-845-1.1-c1-0-30
Degree $2$
Conductor $845$
Sign $1$
Analytic cond. $6.74735$
Root an. cond. $2.59756$
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  + 2.78·2-s − 1.81·3-s + 5.78·4-s + 5-s − 5.06·6-s + 0.269·7-s + 10.5·8-s + 0.292·9-s + 2.78·10-s + 1.81·11-s − 10.4·12-s + 0.752·14-s − 1.81·15-s + 17.8·16-s − 0.737·17-s + 0.816·18-s − 2.17·19-s + 5.78·20-s − 0.489·21-s + 5.05·22-s − 2.75·23-s − 19.1·24-s + 25-s + 4.91·27-s + 1.55·28-s − 7.21·29-s − 5.06·30-s + ⋯
L(s)  = 1  + 1.97·2-s − 1.04·3-s + 2.89·4-s + 0.447·5-s − 2.06·6-s + 0.101·7-s + 3.72·8-s + 0.0976·9-s + 0.882·10-s + 0.545·11-s − 3.02·12-s + 0.200·14-s − 0.468·15-s + 4.46·16-s − 0.178·17-s + 0.192·18-s − 0.500·19-s + 1.29·20-s − 0.106·21-s + 1.07·22-s − 0.573·23-s − 3.90·24-s + 0.200·25-s + 0.945·27-s + 0.294·28-s − 1.33·29-s − 0.924·30-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 845 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 845 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(845\)    =    \(5 \cdot 13^{2}\)
Sign: $1$
Analytic conductor: \(6.74735\)
Root analytic conductor: \(2.59756\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 845,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(4.204081481\)
\(L(\frac12)\) \(\approx\) \(4.204081481\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 - T \)
13 \( 1 \)
good2 \( 1 - 2.78T + 2T^{2} \)
3 \( 1 + 1.81T + 3T^{2} \)
7 \( 1 - 0.269T + 7T^{2} \)
11 \( 1 - 1.81T + 11T^{2} \)
17 \( 1 + 0.737T + 17T^{2} \)
19 \( 1 + 2.17T + 19T^{2} \)
23 \( 1 + 2.75T + 23T^{2} \)
29 \( 1 + 7.21T + 29T^{2} \)
31 \( 1 - 6.19T + 31T^{2} \)
37 \( 1 - 7.66T + 37T^{2} \)
41 \( 1 + 8.37T + 41T^{2} \)
43 \( 1 + 1.16T + 43T^{2} \)
47 \( 1 + 0.121T + 47T^{2} \)
53 \( 1 - 3.85T + 53T^{2} \)
59 \( 1 + 10.6T + 59T^{2} \)
61 \( 1 + 4.24T + 61T^{2} \)
67 \( 1 + 9.55T + 67T^{2} \)
71 \( 1 - 8.12T + 71T^{2} \)
73 \( 1 + 0.692T + 73T^{2} \)
79 \( 1 - 6.65T + 79T^{2} \)
83 \( 1 + 9.19T + 83T^{2} \)
89 \( 1 + 6.57T + 89T^{2} \)
97 \( 1 + 17.4T + 97T^{2} \)
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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

−10.75247653080002290542738049825, −9.770992167795327571675038056001, −8.164314854611086828637820481981, −6.98368277798421797120032676183, −6.27293495764723429531605260685, −5.77432744415878342797590056014, −4.89393150475619995549174458424, −4.13835848571599910249198236230, −2.92427651014009707607285991907, −1.67135769249287824518621299783, 1.67135769249287824518621299783, 2.92427651014009707607285991907, 4.13835848571599910249198236230, 4.89393150475619995549174458424, 5.77432744415878342797590056014, 6.27293495764723429531605260685, 6.98368277798421797120032676183, 8.164314854611086828637820481981, 9.770992167795327571675038056001, 10.75247653080002290542738049825

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