Properties

Label 2-945-1.1-c1-0-17
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 $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 0.618·2-s − 1.61·4-s − 5-s − 7-s + 2.23·8-s + 0.618·10-s + 3.23·11-s + 2.47·13-s + 0.618·14-s + 1.85·16-s − 4.23·17-s − 7.47·19-s + 1.61·20-s − 2.00·22-s + 6.23·23-s + 25-s − 1.52·26-s + 1.61·28-s + 7.70·29-s − 9·31-s − 5.61·32-s + 2.61·34-s + 35-s − 9.70·37-s + 4.61·38-s − 2.23·40-s − 8.47·41-s + ⋯
L(s)  = 1  − 0.437·2-s − 0.809·4-s − 0.447·5-s − 0.377·7-s + 0.790·8-s + 0.195·10-s + 0.975·11-s + 0.685·13-s + 0.165·14-s + 0.463·16-s − 1.02·17-s − 1.71·19-s + 0.361·20-s − 0.426·22-s + 1.30·23-s + 0.200·25-s − 0.299·26-s + 0.305·28-s + 1.43·29-s − 1.61·31-s − 0.993·32-s + 0.448·34-s + 0.169·35-s − 1.59·37-s + 0.749·38-s − 0.353·40-s − 1.32·41-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: \(1\)
Selberg data: \((2,\ 945,\ (\ :1/2),\ -1)\)

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)$
bad3 \( 1 \)
5 \( 1 + T \)
7 \( 1 + T \)
good2 \( 1 + 0.618T + 2T^{2} \)
11 \( 1 - 3.23T + 11T^{2} \)
13 \( 1 - 2.47T + 13T^{2} \)
17 \( 1 + 4.23T + 17T^{2} \)
19 \( 1 + 7.47T + 19T^{2} \)
23 \( 1 - 6.23T + 23T^{2} \)
29 \( 1 - 7.70T + 29T^{2} \)
31 \( 1 + 9T + 31T^{2} \)
37 \( 1 + 9.70T + 37T^{2} \)
41 \( 1 + 8.47T + 41T^{2} \)
43 \( 1 + 8.47T + 43T^{2} \)
47 \( 1 - 4T + 47T^{2} \)
53 \( 1 + 7.94T + 53T^{2} \)
59 \( 1 + 11.7T + 59T^{2} \)
61 \( 1 - 0.708T + 61T^{2} \)
67 \( 1 - 10.9T + 67T^{2} \)
71 \( 1 + 2T + 71T^{2} \)
73 \( 1 - 0.472T + 73T^{2} \)
79 \( 1 + 17.1T + 79T^{2} \)
83 \( 1 - 11T + 83T^{2} \)
89 \( 1 - 8.18T + 89T^{2} \)
97 \( 1 + 5.23T + 97T^{2} \)
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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

−9.391706622678198002854208922000, −8.729898990427414556258071285606, −8.376995478464307025008966230424, −6.98856901807420140047761268445, −6.45992653265138880894882843728, −5.05497557256079244629396029482, −4.20756096555383868349042482036, −3.38679108748599707894809493918, −1.59538412249758020081216197770, 0, 1.59538412249758020081216197770, 3.38679108748599707894809493918, 4.20756096555383868349042482036, 5.05497557256079244629396029482, 6.45992653265138880894882843728, 6.98856901807420140047761268445, 8.376995478464307025008966230424, 8.729898990427414556258071285606, 9.391706622678198002854208922000

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