Properties

Label 2-945-1.1-c1-0-20
Degree $2$
Conductor $945$
Sign $1$
Analytic cond. $7.54586$
Root an. cond. $2.74697$
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  + 2.46·2-s + 4.08·4-s − 5-s + 7-s + 5.13·8-s − 2.46·10-s + 5.54·11-s + 1.38·13-s + 2.46·14-s + 4.49·16-s − 5.74·17-s + 2.20·19-s − 4.08·20-s + 13.6·22-s − 5.74·23-s + 25-s + 3.41·26-s + 4.08·28-s + 6.16·29-s + 1.18·31-s + 0.820·32-s − 14.1·34-s − 35-s − 2.93·37-s + 5.42·38-s − 5.13·40-s + 2.58·41-s + ⋯
L(s)  = 1  + 1.74·2-s + 2.04·4-s − 0.447·5-s + 0.377·7-s + 1.81·8-s − 0.779·10-s + 1.67·11-s + 0.384·13-s + 0.659·14-s + 1.12·16-s − 1.39·17-s + 0.504·19-s − 0.912·20-s + 2.91·22-s − 1.19·23-s + 0.200·25-s + 0.669·26-s + 0.771·28-s + 1.14·29-s + 0.212·31-s + 0.145·32-s − 2.43·34-s − 0.169·35-s − 0.482·37-s + 0.880·38-s − 0.811·40-s + 0.403·41-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 945 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 945 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(945\)    =    \(3^{3} \cdot 5 \cdot 7\)
Sign: $1$
Analytic conductor: \(7.54586\)
Root analytic conductor: \(2.74697\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 945,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(4.433076212\)
\(L(\frac12)\) \(\approx\) \(4.433076212\)
\(L(\frac{3}{2})\) 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 \( 1 + T \)
7 \( 1 - T \)
good2 \( 1 - 2.46T + 2T^{2} \)
11 \( 1 - 5.54T + 11T^{2} \)
13 \( 1 - 1.38T + 13T^{2} \)
17 \( 1 + 5.74T + 17T^{2} \)
19 \( 1 - 2.20T + 19T^{2} \)
23 \( 1 + 5.74T + 23T^{2} \)
29 \( 1 - 6.16T + 29T^{2} \)
31 \( 1 - 1.18T + 31T^{2} \)
37 \( 1 + 2.93T + 37T^{2} \)
41 \( 1 - 2.58T + 41T^{2} \)
43 \( 1 - 4.18T + 43T^{2} \)
47 \( 1 + 13.2T + 47T^{2} \)
53 \( 1 - 11.2T + 53T^{2} \)
59 \( 1 + 4.93T + 59T^{2} \)
61 \( 1 - 7.74T + 61T^{2} \)
67 \( 1 + 6.91T + 67T^{2} \)
71 \( 1 + 16.1T + 71T^{2} \)
73 \( 1 + 3.38T + 73T^{2} \)
79 \( 1 + 2.11T + 79T^{2} \)
83 \( 1 + 7.76T + 83T^{2} \)
89 \( 1 + 12.2T + 89T^{2} \)
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

−10.39097245238084751361709306202, −9.134249047446782934100387179918, −8.258594581821128544961432751292, −7.01788168277708826106803488149, −6.49504209158974204972098514929, −5.62290696045913103994483902539, −4.36173573418078513277175123221, −4.13712067953685228773405927587, −2.96949962833681951052352765362, −1.64982597012910951397424024223, 1.64982597012910951397424024223, 2.96949962833681951052352765362, 4.13712067953685228773405927587, 4.36173573418078513277175123221, 5.62290696045913103994483902539, 6.49504209158974204972098514929, 7.01788168277708826106803488149, 8.258594581821128544961432751292, 9.134249047446782934100387179918, 10.39097245238084751361709306202

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