Properties

Label 2-1805-1.1-c1-0-1
Degree $2$
Conductor $1805$
Sign $1$
Analytic cond. $14.4129$
Root an. cond. $3.79644$
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  + 1.19·2-s − 2.27·3-s − 0.574·4-s − 5-s − 2.71·6-s − 2.19·7-s − 3.07·8-s + 2.16·9-s − 1.19·10-s − 2.82·11-s + 1.30·12-s − 4.08·13-s − 2.62·14-s + 2.27·15-s − 2.52·16-s + 0.382·17-s + 2.58·18-s + 0.574·20-s + 4.99·21-s − 3.37·22-s − 2.97·23-s + 6.98·24-s + 25-s − 4.87·26-s + 1.89·27-s + 1.26·28-s − 8.57·29-s + ⋯
L(s)  = 1  + 0.844·2-s − 1.31·3-s − 0.287·4-s − 0.447·5-s − 1.10·6-s − 0.830·7-s − 1.08·8-s + 0.722·9-s − 0.377·10-s − 0.852·11-s + 0.376·12-s − 1.13·13-s − 0.700·14-s + 0.586·15-s − 0.630·16-s + 0.0928·17-s + 0.609·18-s + 0.128·20-s + 1.08·21-s − 0.719·22-s − 0.620·23-s + 1.42·24-s + 0.200·25-s − 0.955·26-s + 0.364·27-s + 0.238·28-s − 1.59·29-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1805 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1805 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1805\)    =    \(5 \cdot 19^{2}\)
Sign: $1$
Analytic conductor: \(14.4129\)
Root analytic conductor: \(3.79644\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1805,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.3822880768\)
\(L(\frac12)\) \(\approx\) \(0.3822880768\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 + T \)
19 \( 1 \)
good2 \( 1 - 1.19T + 2T^{2} \)
3 \( 1 + 2.27T + 3T^{2} \)
7 \( 1 + 2.19T + 7T^{2} \)
11 \( 1 + 2.82T + 11T^{2} \)
13 \( 1 + 4.08T + 13T^{2} \)
17 \( 1 - 0.382T + 17T^{2} \)
23 \( 1 + 2.97T + 23T^{2} \)
29 \( 1 + 8.57T + 29T^{2} \)
31 \( 1 - 4.69T + 31T^{2} \)
37 \( 1 - 10.7T + 37T^{2} \)
41 \( 1 + 3.13T + 41T^{2} \)
43 \( 1 - 2.00T + 43T^{2} \)
47 \( 1 + 10.8T + 47T^{2} \)
53 \( 1 + 7.47T + 53T^{2} \)
59 \( 1 - 12.9T + 59T^{2} \)
61 \( 1 - 5.97T + 61T^{2} \)
67 \( 1 + 1.04T + 67T^{2} \)
71 \( 1 - 7.82T + 71T^{2} \)
73 \( 1 + 14.0T + 73T^{2} \)
79 \( 1 - 13.4T + 79T^{2} \)
83 \( 1 + 5.55T + 83T^{2} \)
89 \( 1 - 6.56T + 89T^{2} \)
97 \( 1 + 14.4T + 97T^{2} \)
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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

−9.670622103789851932940179411867, −8.381166724430604376593401727541, −7.50264365570427681920670325372, −6.53157883946383708981955606420, −5.90472418540255798282314370675, −5.14888303432923983272769079149, −4.58544207086304952381579006513, −3.57148284426678461526587329762, −2.58383508635090023943248208434, −0.37158441969459668925570043229, 0.37158441969459668925570043229, 2.58383508635090023943248208434, 3.57148284426678461526587329762, 4.58544207086304952381579006513, 5.14888303432923983272769079149, 5.90472418540255798282314370675, 6.53157883946383708981955606420, 7.50264365570427681920670325372, 8.381166724430604376593401727541, 9.670622103789851932940179411867

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