Properties

Label 2-348-1.1-c1-0-2
Degree $2$
Conductor $348$
Sign $-1$
Analytic cond. $2.77879$
Root an. cond. $1.66697$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 3-s − 3·7-s + 9-s − 3·11-s − 3·13-s + 17-s − 4·19-s + 3·21-s − 2·23-s − 5·25-s − 27-s + 29-s − 2·31-s + 3·33-s − 6·37-s + 3·39-s + 10·41-s − 3·47-s + 2·49-s − 51-s + 4·53-s + 4·57-s + 10·59-s − 6·61-s − 3·63-s + 3·67-s + 2·69-s + ⋯
L(s)  = 1  − 0.577·3-s − 1.13·7-s + 1/3·9-s − 0.904·11-s − 0.832·13-s + 0.242·17-s − 0.917·19-s + 0.654·21-s − 0.417·23-s − 25-s − 0.192·27-s + 0.185·29-s − 0.359·31-s + 0.522·33-s − 0.986·37-s + 0.480·39-s + 1.56·41-s − 0.437·47-s + 2/7·49-s − 0.140·51-s + 0.549·53-s + 0.529·57-s + 1.30·59-s − 0.768·61-s − 0.377·63-s + 0.366·67-s + 0.240·69-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 348 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 348 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(348\)    =    \(2^{2} \cdot 3 \cdot 29\)
Sign: $-1$
Analytic conductor: \(2.77879\)
Root analytic conductor: \(1.66697\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 348,\ (\ :1/2),\ -1)\)

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)$
bad2 \( 1 \)
3 \( 1 + T \)
29 \( 1 - T \)
good5 \( 1 + p T^{2} \)
7 \( 1 + 3 T + p T^{2} \)
11 \( 1 + 3 T + p T^{2} \)
13 \( 1 + 3 T + p T^{2} \)
17 \( 1 - T + p T^{2} \)
19 \( 1 + 4 T + p T^{2} \)
23 \( 1 + 2 T + p T^{2} \)
31 \( 1 + 2 T + p T^{2} \)
37 \( 1 + 6 T + p T^{2} \)
41 \( 1 - 10 T + p T^{2} \)
43 \( 1 + p T^{2} \)
47 \( 1 + 3 T + p T^{2} \)
53 \( 1 - 4 T + p T^{2} \)
59 \( 1 - 10 T + p T^{2} \)
61 \( 1 + 6 T + p T^{2} \)
67 \( 1 - 3 T + p T^{2} \)
71 \( 1 - 6 T + p T^{2} \)
73 \( 1 - 14 T + p T^{2} \)
79 \( 1 - 4 T + p T^{2} \)
83 \( 1 + 18 T + p T^{2} \)
89 \( 1 - 7 T + p T^{2} \)
97 \( 1 + p T^{2} \)
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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

−10.93467832649205170721115272938, −10.12008600907709017461501290275, −9.456675890582331744607437581213, −8.111098069009176049402214600428, −7.09826106540540756744015299424, −6.14164787642859827596032120545, −5.19861359947890845670001910116, −3.87599905929010573440260747091, −2.43549171570191583756755894426, 0, 2.43549171570191583756755894426, 3.87599905929010573440260747091, 5.19861359947890845670001910116, 6.14164787642859827596032120545, 7.09826106540540756744015299424, 8.111098069009176049402214600428, 9.456675890582331744607437581213, 10.12008600907709017461501290275, 10.93467832649205170721115272938

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