Properties

Label 2-80688-1.1-c1-0-9
Degree $2$
Conductor $80688$
Sign $-1$
Analytic cond. $644.296$
Root an. cond. $25.3830$
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 − 2·5-s − 2·7-s + 9-s − 11-s − 5·13-s + 2·15-s + 4·17-s − 6·19-s + 2·21-s − 23-s − 25-s − 27-s − 6·29-s − 4·31-s + 33-s + 4·35-s − 7·37-s + 5·39-s − 2·45-s + 8·47-s − 3·49-s − 4·51-s − 10·53-s + 2·55-s + 6·57-s − 5·59-s + ⋯
L(s)  = 1  − 0.577·3-s − 0.894·5-s − 0.755·7-s + 1/3·9-s − 0.301·11-s − 1.38·13-s + 0.516·15-s + 0.970·17-s − 1.37·19-s + 0.436·21-s − 0.208·23-s − 1/5·25-s − 0.192·27-s − 1.11·29-s − 0.718·31-s + 0.174·33-s + 0.676·35-s − 1.15·37-s + 0.800·39-s − 0.298·45-s + 1.16·47-s − 3/7·49-s − 0.560·51-s − 1.37·53-s + 0.269·55-s + 0.794·57-s − 0.650·59-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 80688 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 80688 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(80688\)    =    \(2^{4} \cdot 3 \cdot 41^{2}\)
Sign: $-1$
Analytic conductor: \(644.296\)
Root analytic conductor: \(25.3830\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 80688,\ (\ :1/2),\ -1)\)

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 \( 1 + T \)
41 \( 1 \)
good5 \( 1 + 2 T + p T^{2} \)
7 \( 1 + 2 T + p T^{2} \)
11 \( 1 + T + p T^{2} \)
13 \( 1 + 5 T + p T^{2} \)
17 \( 1 - 4 T + p T^{2} \)
19 \( 1 + 6 T + p T^{2} \)
23 \( 1 + T + p T^{2} \)
29 \( 1 + 6 T + p T^{2} \)
31 \( 1 + 4 T + p T^{2} \)
37 \( 1 + 7 T + p T^{2} \)
43 \( 1 + p T^{2} \)
47 \( 1 - 8 T + p T^{2} \)
53 \( 1 + 10 T + p T^{2} \)
59 \( 1 + 5 T + p T^{2} \)
61 \( 1 + 11 T + p T^{2} \)
67 \( 1 - 2 T + p T^{2} \)
71 \( 1 - 7 T + p T^{2} \)
73 \( 1 - 13 T + p T^{2} \)
79 \( 1 - 2 T + p T^{2} \)
83 \( 1 - 15 T + p T^{2} \)
89 \( 1 + 8 T + p T^{2} \)
97 \( 1 - 18 T + p T^{2} \)
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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

−14.20651065552041, −13.81345395140039, −12.92561091422060, −12.65549530302379, −12.25525416871699, −11.95947157038627, −11.10950539201395, −10.90965090396268, −10.20495521057807, −9.831775479919969, −9.275737953234909, −8.732669956315176, −7.907068979336204, −7.559995910236130, −7.252194671619717, −6.359458474990120, −6.171451132117376, −5.218667795361617, −4.999457322060886, −4.186180400759595, −3.668412907891397, −3.182418480606444, −2.292029678291968, −1.732562254208948, −0.4964285356542630, 0, 0.4964285356542630, 1.732562254208948, 2.292029678291968, 3.182418480606444, 3.668412907891397, 4.186180400759595, 4.999457322060886, 5.218667795361617, 6.171451132117376, 6.359458474990120, 7.252194671619717, 7.559995910236130, 7.907068979336204, 8.732669956315176, 9.275737953234909, 9.831775479919969, 10.20495521057807, 10.90965090396268, 11.10950539201395, 11.95947157038627, 12.25525416871699, 12.65549530302379, 12.92561091422060, 13.81345395140039, 14.20651065552041

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