Properties

Label 2-945-1.1-c1-0-19
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  − 1.61·2-s + 0.618·4-s + 5-s − 7-s + 2.23·8-s − 1.61·10-s + 1.23·11-s − 6.47·13-s + 1.61·14-s − 4.85·16-s − 0.236·17-s + 1.47·19-s + 0.618·20-s − 2.00·22-s − 1.76·23-s + 25-s + 10.4·26-s − 0.618·28-s + 5.70·29-s − 9·31-s + 3.38·32-s + 0.381·34-s − 35-s + 3.70·37-s − 2.38·38-s + 2.23·40-s − 0.472·41-s + ⋯
L(s)  = 1  − 1.14·2-s + 0.309·4-s + 0.447·5-s − 0.377·7-s + 0.790·8-s − 0.511·10-s + 0.372·11-s − 1.79·13-s + 0.432·14-s − 1.21·16-s − 0.0572·17-s + 0.337·19-s + 0.138·20-s − 0.426·22-s − 0.367·23-s + 0.200·25-s + 2.05·26-s − 0.116·28-s + 1.05·29-s − 1.61·31-s + 0.597·32-s + 0.0655·34-s − 0.169·35-s + 0.609·37-s − 0.386·38-s + 0.353·40-s − 0.0737·41-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 \( 1 + 1.61T + 2T^{2} \)
11 \( 1 - 1.23T + 11T^{2} \)
13 \( 1 + 6.47T + 13T^{2} \)
17 \( 1 + 0.236T + 17T^{2} \)
19 \( 1 - 1.47T + 19T^{2} \)
23 \( 1 + 1.76T + 23T^{2} \)
29 \( 1 - 5.70T + 29T^{2} \)
31 \( 1 + 9T + 31T^{2} \)
37 \( 1 - 3.70T + 37T^{2} \)
41 \( 1 + 0.472T + 41T^{2} \)
43 \( 1 - 0.472T + 43T^{2} \)
47 \( 1 + 4T + 47T^{2} \)
53 \( 1 + 9.94T + 53T^{2} \)
59 \( 1 + 1.70T + 59T^{2} \)
61 \( 1 + 12.7T + 61T^{2} \)
67 \( 1 + 6.94T + 67T^{2} \)
71 \( 1 - 2T + 71T^{2} \)
73 \( 1 + 8.47T + 73T^{2} \)
79 \( 1 - 5.18T + 79T^{2} \)
83 \( 1 + 11T + 83T^{2} \)
89 \( 1 - 14.1T + 89T^{2} \)
97 \( 1 + 0.763T + 97T^{2} \)
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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

−9.516101409374604278912134862481, −9.112057145407822315140618607633, −7.976752106883715955603529836923, −7.32263022971068144281479645382, −6.46909998263919254812697152610, −5.24523335528593048315957785465, −4.34918745977501108158803504976, −2.82483268527007168969748643369, −1.62609507910912674348794256331, 0, 1.62609507910912674348794256331, 2.82483268527007168969748643369, 4.34918745977501108158803504976, 5.24523335528593048315957785465, 6.46909998263919254812697152610, 7.32263022971068144281479645382, 7.976752106883715955603529836923, 9.112057145407822315140618607633, 9.516101409374604278912134862481

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