Properties

Label 2-45-1.1-c1-0-0
Degree $2$
Conductor $45$
Sign $1$
Analytic cond. $0.359326$
Root an. cond. $0.599438$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s − 4-s − 5-s − 3·8-s − 10-s + 4·11-s − 2·13-s − 16-s − 2·17-s + 4·19-s + 20-s + 4·22-s + 25-s − 2·26-s + 2·29-s + 5·32-s − 2·34-s − 10·37-s + 4·38-s + 3·40-s − 10·41-s + 4·43-s − 4·44-s − 8·47-s − 7·49-s + 50-s + 2·52-s + ⋯
L(s)  = 1  + 0.707·2-s − 1/2·4-s − 0.447·5-s − 1.06·8-s − 0.316·10-s + 1.20·11-s − 0.554·13-s − 1/4·16-s − 0.485·17-s + 0.917·19-s + 0.223·20-s + 0.852·22-s + 1/5·25-s − 0.392·26-s + 0.371·29-s + 0.883·32-s − 0.342·34-s − 1.64·37-s + 0.648·38-s + 0.474·40-s − 1.56·41-s + 0.609·43-s − 0.603·44-s − 1.16·47-s − 49-s + 0.141·50-s + 0.277·52-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 45 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 45 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(45\)    =    \(3^{2} \cdot 5\)
Sign: $1$
Analytic conductor: \(0.359326\)
Root analytic conductor: \(0.599438\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 45,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.9215908766\)
\(L(\frac12)\) \(\approx\) \(0.9215908766\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 \)
5 \( 1 + T \)
good2 \( 1 - T + p T^{2} \)
7 \( 1 + p T^{2} \)
11 \( 1 - 4 T + p T^{2} \)
13 \( 1 + 2 T + p T^{2} \)
17 \( 1 + 2 T + p T^{2} \)
19 \( 1 - 4 T + p T^{2} \)
23 \( 1 + p T^{2} \)
29 \( 1 - 2 T + p T^{2} \)
31 \( 1 + p T^{2} \)
37 \( 1 + 10 T + p T^{2} \)
41 \( 1 + 10 T + p T^{2} \)
43 \( 1 - 4 T + p T^{2} \)
47 \( 1 + 8 T + p T^{2} \)
53 \( 1 - 10 T + p T^{2} \)
59 \( 1 - 4 T + p T^{2} \)
61 \( 1 + 2 T + p T^{2} \)
67 \( 1 - 12 T + p T^{2} \)
71 \( 1 - 8 T + p T^{2} \)
73 \( 1 - 10 T + p T^{2} \)
79 \( 1 + p T^{2} \)
83 \( 1 + 12 T + p T^{2} \)
89 \( 1 - 6 T + p T^{2} \)
97 \( 1 - 2 T + p T^{2} \)
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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

−15.60334701825816031360567721288, −14.55874952579683322699316330788, −13.71457429111566649845275587943, −12.40658486355792546821392015265, −11.57318950916085697381955699128, −9.738851148469479131038939478590, −8.554588868470699894187777077269, −6.76955885158912340897756950945, −5.04860090093668311608273372623, −3.63412818236731287070311550143, 3.63412818236731287070311550143, 5.04860090093668311608273372623, 6.76955885158912340897756950945, 8.554588868470699894187777077269, 9.738851148469479131038939478590, 11.57318950916085697381955699128, 12.40658486355792546821392015265, 13.71457429111566649845275587943, 14.55874952579683322699316330788, 15.60334701825816031360567721288

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