Properties

Label 2-975-1.1-c1-0-7
Degree $2$
Conductor $975$
Sign $1$
Analytic cond. $7.78541$
Root an. cond. $2.79023$
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  − 2·2-s − 3-s + 2·4-s + 2·6-s + 7-s + 9-s + 5·11-s − 2·12-s + 13-s − 2·14-s − 4·16-s + 7·17-s − 2·18-s − 6·19-s − 21-s − 10·22-s − 3·23-s − 2·26-s − 27-s + 2·28-s + 2·29-s + 2·31-s + 8·32-s − 5·33-s − 14·34-s + 2·36-s − 7·37-s + ⋯
L(s)  = 1  − 1.41·2-s − 0.577·3-s + 4-s + 0.816·6-s + 0.377·7-s + 1/3·9-s + 1.50·11-s − 0.577·12-s + 0.277·13-s − 0.534·14-s − 16-s + 1.69·17-s − 0.471·18-s − 1.37·19-s − 0.218·21-s − 2.13·22-s − 0.625·23-s − 0.392·26-s − 0.192·27-s + 0.377·28-s + 0.371·29-s + 0.359·31-s + 1.41·32-s − 0.870·33-s − 2.40·34-s + 1/3·36-s − 1.15·37-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 975 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 975 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(975\)    =    \(3 \cdot 5^{2} \cdot 13\)
Sign: $1$
Analytic conductor: \(7.78541\)
Root analytic conductor: \(2.79023\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 975,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(0.7222752146\)
\(L(\frac12)\) \(\approx\) \(0.7222752146\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 + T \)
5 \( 1 \)
13 \( 1 - T \)
good2 \( 1 + p T + p T^{2} \)
7 \( 1 - T + p T^{2} \)
11 \( 1 - 5 T + p T^{2} \)
17 \( 1 - 7 T + p T^{2} \)
19 \( 1 + 6 T + p T^{2} \)
23 \( 1 + 3 T + p T^{2} \)
29 \( 1 - 2 T + p T^{2} \)
31 \( 1 - 2 T + p T^{2} \)
37 \( 1 + 7 T + p T^{2} \)
41 \( 1 - 9 T + p T^{2} \)
43 \( 1 - 8 T + p T^{2} \)
47 \( 1 + 10 T + p T^{2} \)
53 \( 1 + 5 T + p T^{2} \)
59 \( 1 + p T^{2} \)
61 \( 1 - 5 T + p T^{2} \)
67 \( 1 - 4 T + p T^{2} \)
71 \( 1 - 9 T + p T^{2} \)
73 \( 1 - 6 T + p T^{2} \)
79 \( 1 + 3 T + p T^{2} \)
83 \( 1 - 4 T + p T^{2} \)
89 \( 1 - 11 T + p T^{2} \)
97 \( 1 - 11 T + p T^{2} \)
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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

−9.916578891756839924454082102240, −9.251312219508712135294968453202, −8.378803253964416403880030335796, −7.74165901414068773623906798462, −6.71123534518408333297550205349, −6.06112740203192888872476914574, −4.74297496906004716382997842488, −3.72637631783812950059768618289, −1.88115677514491653875272833927, −0.902342689790264195025876590163, 0.902342689790264195025876590163, 1.88115677514491653875272833927, 3.72637631783812950059768618289, 4.74297496906004716382997842488, 6.06112740203192888872476914574, 6.71123534518408333297550205349, 7.74165901414068773623906798462, 8.378803253964416403880030335796, 9.251312219508712135294968453202, 9.916578891756839924454082102240

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