Properties

Label 2-1805-1.1-c3-0-307
Degree $2$
Conductor $1805$
Sign $-1$
Analytic cond. $106.498$
Root an. cond. $10.3198$
Motivic weight $3$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 5·2-s − 5·3-s + 17·4-s + 5·5-s − 25·6-s − 19·7-s + 45·8-s − 2·9-s + 25·10-s + 50·11-s − 85·12-s − 55·13-s − 95·14-s − 25·15-s + 89·16-s + 51·17-s − 10·18-s + 85·20-s + 95·21-s + 250·22-s − 147·23-s − 225·24-s + 25·25-s − 275·26-s + 145·27-s − 323·28-s + 165·29-s + ⋯
L(s)  = 1  + 1.76·2-s − 0.962·3-s + 17/8·4-s + 0.447·5-s − 1.70·6-s − 1.02·7-s + 1.98·8-s − 0.0740·9-s + 0.790·10-s + 1.37·11-s − 2.04·12-s − 1.17·13-s − 1.81·14-s − 0.430·15-s + 1.39·16-s + 0.727·17-s − 0.130·18-s + 0.950·20-s + 0.987·21-s + 2.42·22-s − 1.33·23-s − 1.91·24-s + 1/5·25-s − 2.07·26-s + 1.03·27-s − 2.18·28-s + 1.05·29-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1805 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1805 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1805\)    =    \(5 \cdot 19^{2}\)
Sign: $-1$
Analytic conductor: \(106.498\)
Root analytic conductor: \(10.3198\)
Motivic weight: \(3\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1805,\ (\ :3/2),\ -1)\)

Particular Values

\(L(2)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 - p T \)
19 \( 1 \)
good2 \( 1 - 5 T + p^{3} T^{2} \)
3 \( 1 + 5 T + p^{3} T^{2} \)
7 \( 1 + 19 T + p^{3} T^{2} \)
11 \( 1 - 50 T + p^{3} T^{2} \)
13 \( 1 + 55 T + p^{3} T^{2} \)
17 \( 1 - 3 p T + p^{3} T^{2} \)
23 \( 1 + 147 T + p^{3} T^{2} \)
29 \( 1 - 165 T + p^{3} T^{2} \)
31 \( 1 - 70 T + p^{3} T^{2} \)
37 \( 1 + 210 T + p^{3} T^{2} \)
41 \( 1 - 80 T + p^{3} T^{2} \)
43 \( 1 + 558 T + p^{3} T^{2} \)
47 \( 1 + 464 T + p^{3} T^{2} \)
53 \( 1 + 455 T + p^{3} T^{2} \)
59 \( 1 + 225 T + p^{3} T^{2} \)
61 \( 1 - 500 T + p^{3} T^{2} \)
67 \( 1 + 105 T + p^{3} T^{2} \)
71 \( 1 - 1140 T + p^{3} T^{2} \)
73 \( 1 + 703 T + p^{3} T^{2} \)
79 \( 1 + 700 T + p^{3} T^{2} \)
83 \( 1 + 918 T + p^{3} T^{2} \)
89 \( 1 + 870 T + p^{3} T^{2} \)
97 \( 1 + 1380 T + p^{3} T^{2} \)
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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

−8.401976794192229263600334832157, −7.03237397308165420790572925005, −6.49303272032341418322698860223, −6.07290648823395753890733613321, −5.23911343469264166133355962373, −4.57727763048492438987663814157, −3.54976049675451558474325601514, −2.82775283888015748129448844055, −1.59332871488771549564304412296, 0, 1.59332871488771549564304412296, 2.82775283888015748129448844055, 3.54976049675451558474325601514, 4.57727763048492438987663814157, 5.23911343469264166133355962373, 6.07290648823395753890733613321, 6.49303272032341418322698860223, 7.03237397308165420790572925005, 8.401976794192229263600334832157

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