Properties

Label 2-6840-1.1-c1-0-65
Degree $2$
Conductor $6840$
Sign $-1$
Analytic cond. $54.6176$
Root an. cond. $7.39037$
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  + 5-s − 3.60·7-s + 1.60·11-s + 0.640·13-s − 5.28·17-s + 19-s + 8.24·23-s + 25-s + 4.88·29-s − 7.28·31-s − 3.60·35-s − 9.92·37-s − 4.57·41-s + 7.92·43-s − 0.249·47-s + 6.03·49-s − 1.75·53-s + 1.60·55-s − 12.3·59-s + 11.5·61-s + 0.640·65-s + 12.4·67-s − 13.7·71-s + 3.93·73-s − 5.81·77-s − 3.03·79-s + 10.4·83-s + ⋯
L(s)  = 1  + 0.447·5-s − 1.36·7-s + 0.485·11-s + 0.177·13-s − 1.28·17-s + 0.229·19-s + 1.72·23-s + 0.200·25-s + 0.908·29-s − 1.30·31-s − 0.610·35-s − 1.63·37-s − 0.715·41-s + 1.20·43-s − 0.0364·47-s + 0.861·49-s − 0.240·53-s + 0.217·55-s − 1.60·59-s + 1.47·61-s + 0.0793·65-s + 1.52·67-s − 1.63·71-s + 0.461·73-s − 0.662·77-s − 0.340·79-s + 1.15·83-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 6840 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 6840 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(6840\)    =    \(2^{3} \cdot 3^{2} \cdot 5 \cdot 19\)
Sign: $-1$
Analytic conductor: \(54.6176\)
Root analytic conductor: \(7.39037\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 6840,\ (\ :1/2),\ -1)\)

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 \( 1 \)
5 \( 1 - T \)
19 \( 1 - T \)
good7 \( 1 + 3.60T + 7T^{2} \)
11 \( 1 - 1.60T + 11T^{2} \)
13 \( 1 - 0.640T + 13T^{2} \)
17 \( 1 + 5.28T + 17T^{2} \)
23 \( 1 - 8.24T + 23T^{2} \)
29 \( 1 - 4.88T + 29T^{2} \)
31 \( 1 + 7.28T + 31T^{2} \)
37 \( 1 + 9.92T + 37T^{2} \)
41 \( 1 + 4.57T + 41T^{2} \)
43 \( 1 - 7.92T + 43T^{2} \)
47 \( 1 + 0.249T + 47T^{2} \)
53 \( 1 + 1.75T + 53T^{2} \)
59 \( 1 + 12.3T + 59T^{2} \)
61 \( 1 - 11.5T + 61T^{2} \)
67 \( 1 - 12.4T + 67T^{2} \)
71 \( 1 + 13.7T + 71T^{2} \)
73 \( 1 - 3.93T + 73T^{2} \)
79 \( 1 + 3.03T + 79T^{2} \)
83 \( 1 - 10.4T + 83T^{2} \)
89 \( 1 + 15.9T + 89T^{2} \)
97 \( 1 + 9.92T + 97T^{2} \)
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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

−7.35386502901359475023084460706, −6.77748491569692555397128297198, −6.42585845987794153338652239304, −5.53774723430846712494652222077, −4.82484496940987431037165665058, −3.84068368974082680258838694489, −3.17654747000103643595513570193, −2.38829477115512194130026529767, −1.27098194994325741981027740872, 0, 1.27098194994325741981027740872, 2.38829477115512194130026529767, 3.17654747000103643595513570193, 3.84068368974082680258838694489, 4.82484496940987431037165665058, 5.53774723430846712494652222077, 6.42585845987794153338652239304, 6.77748491569692555397128297198, 7.35386502901359475023084460706

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