Properties

Label 2-945-1.1-c1-0-15
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  − 2.30·2-s + 3.30·4-s − 5-s + 7-s − 3.00·8-s + 2.30·10-s − 3·11-s + 1.30·13-s − 2.30·14-s + 0.302·16-s + 2.30·17-s − 3.30·19-s − 3.30·20-s + 6.90·22-s − 0.697·23-s + 25-s − 3·26-s + 3.30·28-s − 5.30·29-s − 2.39·31-s + 5.30·32-s − 5.30·34-s − 35-s + 3.60·37-s + 7.60·38-s + 3.00·40-s + 6.90·41-s + ⋯
L(s)  = 1  − 1.62·2-s + 1.65·4-s − 0.447·5-s + 0.377·7-s − 1.06·8-s + 0.728·10-s − 0.904·11-s + 0.361·13-s − 0.615·14-s + 0.0756·16-s + 0.558·17-s − 0.757·19-s − 0.738·20-s + 1.47·22-s − 0.145·23-s + 0.200·25-s − 0.588·26-s + 0.624·28-s − 0.984·29-s − 0.430·31-s + 0.937·32-s − 0.909·34-s − 0.169·35-s + 0.592·37-s + 1.23·38-s + 0.474·40-s + 1.07·41-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 \( 1 + 2.30T + 2T^{2} \)
11 \( 1 + 3T + 11T^{2} \)
13 \( 1 - 1.30T + 13T^{2} \)
17 \( 1 - 2.30T + 17T^{2} \)
19 \( 1 + 3.30T + 19T^{2} \)
23 \( 1 + 0.697T + 23T^{2} \)
29 \( 1 + 5.30T + 29T^{2} \)
31 \( 1 + 2.39T + 31T^{2} \)
37 \( 1 - 3.60T + 37T^{2} \)
41 \( 1 - 6.90T + 41T^{2} \)
43 \( 1 + 4.21T + 43T^{2} \)
47 \( 1 + 7.60T + 47T^{2} \)
53 \( 1 - 5.51T + 53T^{2} \)
59 \( 1 + 6.21T + 59T^{2} \)
61 \( 1 + 11.1T + 61T^{2} \)
67 \( 1 - 13.5T + 67T^{2} \)
71 \( 1 + 2.09T + 71T^{2} \)
73 \( 1 + 10.2T + 73T^{2} \)
79 \( 1 + 16.9T + 79T^{2} \)
83 \( 1 - 12.2T + 83T^{2} \)
89 \( 1 + 10.8T + 89T^{2} \)
97 \( 1 + 9.51T + 97T^{2} \)
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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

−9.555203656778963903074831960031, −8.753108903507971250433795228050, −7.969054625215624680121296890813, −7.58391826096975298495845965602, −6.54542232984902087688770967563, −5.42865668409504728035112464771, −4.16183705672524791240038023341, −2.73692037708999870764562246318, −1.51779104103791489479495855848, 0, 1.51779104103791489479495855848, 2.73692037708999870764562246318, 4.16183705672524791240038023341, 5.42865668409504728035112464771, 6.54542232984902087688770967563, 7.58391826096975298495845965602, 7.969054625215624680121296890813, 8.753108903507971250433795228050, 9.555203656778963903074831960031

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