Properties

Label 2-1805-1.1-c1-0-98
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 0.307·2-s + 1.64·3-s − 1.90·4-s + 5-s + 0.506·6-s + 0.0891·7-s − 1.20·8-s − 0.297·9-s + 0.307·10-s − 3.36·11-s − 3.13·12-s − 0.212·13-s + 0.0274·14-s + 1.64·15-s + 3.43·16-s − 2.51·17-s − 0.0916·18-s − 1.90·20-s + 0.146·21-s − 1.03·22-s − 5.96·23-s − 1.97·24-s + 25-s − 0.0655·26-s − 5.42·27-s − 0.169·28-s + 4.80·29-s + ⋯
L(s)  = 1  + 0.217·2-s + 0.949·3-s − 0.952·4-s + 0.447·5-s + 0.206·6-s + 0.0337·7-s − 0.425·8-s − 0.0991·9-s + 0.0973·10-s − 1.01·11-s − 0.904·12-s − 0.0590·13-s + 0.00734·14-s + 0.424·15-s + 0.859·16-s − 0.609·17-s − 0.0215·18-s − 0.426·20-s + 0.0319·21-s − 0.221·22-s − 1.24·23-s − 0.403·24-s + 0.200·25-s − 0.0128·26-s − 1.04·27-s − 0.0321·28-s + 0.892·29-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: \(1\)
Selberg data: \((2,\ 1805,\ (\ :1/2),\ -1)\)

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)$
bad5 \( 1 - T \)
19 \( 1 \)
good2 \( 1 - 0.307T + 2T^{2} \)
3 \( 1 - 1.64T + 3T^{2} \)
7 \( 1 - 0.0891T + 7T^{2} \)
11 \( 1 + 3.36T + 11T^{2} \)
13 \( 1 + 0.212T + 13T^{2} \)
17 \( 1 + 2.51T + 17T^{2} \)
23 \( 1 + 5.96T + 23T^{2} \)
29 \( 1 - 4.80T + 29T^{2} \)
31 \( 1 + 8.06T + 31T^{2} \)
37 \( 1 + 1.84T + 37T^{2} \)
41 \( 1 - 3.01T + 41T^{2} \)
43 \( 1 + 2.44T + 43T^{2} \)
47 \( 1 + 7.61T + 47T^{2} \)
53 \( 1 - 8.39T + 53T^{2} \)
59 \( 1 + 10.4T + 59T^{2} \)
61 \( 1 + 0.988T + 61T^{2} \)
67 \( 1 + 9.97T + 67T^{2} \)
71 \( 1 + 6.17T + 71T^{2} \)
73 \( 1 - 15.7T + 73T^{2} \)
79 \( 1 - 1.02T + 79T^{2} \)
83 \( 1 - 17.9T + 83T^{2} \)
89 \( 1 + 0.656T + 89T^{2} \)
97 \( 1 + 16.8T + 97T^{2} \)
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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

−8.878065664578923337600763549120, −8.190625580302044307075346863953, −7.64074127987395387293805209588, −6.34538611531241164198512988370, −5.50190539435195951219294135720, −4.74716397190940159021735553986, −3.74862348776874320610952976539, −2.90264236288591367847435150125, −1.92964930670174192310704058893, 0, 1.92964930670174192310704058893, 2.90264236288591367847435150125, 3.74862348776874320610952976539, 4.74716397190940159021735553986, 5.50190539435195951219294135720, 6.34538611531241164198512988370, 7.64074127987395387293805209588, 8.190625580302044307075346863953, 8.878065664578923337600763549120

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