Properties

Degree 2
Conductor $ 3^{2} \cdot 7 \cdot 127 $
Sign $-1$
Motivic weight 1
Primitive yes
Self-dual yes
Analytic rank 1

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 0.959·2-s − 1.07·4-s + 2.40·5-s − 7-s − 2.95·8-s + 2.30·10-s + 4.25·11-s + 3.54·13-s − 0.959·14-s − 0.679·16-s + 0.302·17-s − 6.75·19-s − 2.59·20-s + 4.08·22-s − 6.51·23-s + 0.782·25-s + 3.40·26-s + 1.07·28-s − 3.90·29-s − 5.48·31-s + 5.25·32-s + 0.290·34-s − 2.40·35-s − 6.55·37-s − 6.48·38-s − 7.10·40-s − 2.17·41-s + ⋯
L(s)  = 1  + 0.678·2-s − 0.539·4-s + 1.07·5-s − 0.377·7-s − 1.04·8-s + 0.729·10-s + 1.28·11-s + 0.982·13-s − 0.256·14-s − 0.169·16-s + 0.0733·17-s − 1.55·19-s − 0.579·20-s + 0.871·22-s − 1.35·23-s + 0.156·25-s + 0.667·26-s + 0.203·28-s − 0.725·29-s − 0.985·31-s + 0.929·32-s + 0.0497·34-s − 0.406·35-s − 1.07·37-s − 1.05·38-s − 1.12·40-s − 0.339·41-s + ⋯

Functional equation

\[\begin{aligned} \Lambda(s)=\mathstrut & 8001 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned} \]
\[\begin{aligned} \Lambda(s)=\mathstrut & 8001 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned} \]

Invariants

\( d \)  =  \(2\)
\( N \)  =  \(8001\)    =    \(3^{2} \cdot 7 \cdot 127\)
\( \varepsilon \)  =  $-1$
motivic weight  =  \(1\)
character  :  $\chi_{8001} (1, \cdot )$
primitive  :  yes
self-dual  :  yes
analytic rank  =  1
Selberg data  =  $(2,\ 8001,\ (\ :1/2),\ -1)$
$L(1)$  $=$  $0$
$L(\frac12)$  $=$  $0$
$L(\frac{3}{2})$   not available
$L(1)$   not available

Euler product

\[L(s) = \prod_{p \text{ prime}} F_p(p^{-s})^{-1} \] where, for $p \notin \{3,\;7,\;127\}$, \[F_p(T) = 1 - a_p T + p T^2 .\]If $p \in \{3,\;7,\;127\}$, then $F_p$ is a polynomial of degree at most 1.
$p$$F_p$
bad3 \( 1 \)
7 \( 1 + T \)
127 \( 1 + T \)
good2 \( 1 - 0.959T + 2T^{2} \)
5 \( 1 - 2.40T + 5T^{2} \)
11 \( 1 - 4.25T + 11T^{2} \)
13 \( 1 - 3.54T + 13T^{2} \)
17 \( 1 - 0.302T + 17T^{2} \)
19 \( 1 + 6.75T + 19T^{2} \)
23 \( 1 + 6.51T + 23T^{2} \)
29 \( 1 + 3.90T + 29T^{2} \)
31 \( 1 + 5.48T + 31T^{2} \)
37 \( 1 + 6.55T + 37T^{2} \)
41 \( 1 + 2.17T + 41T^{2} \)
43 \( 1 - 9.47T + 43T^{2} \)
47 \( 1 + 1.43T + 47T^{2} \)
53 \( 1 + 10.5T + 53T^{2} \)
59 \( 1 - 7.97T + 59T^{2} \)
61 \( 1 - 1.05T + 61T^{2} \)
67 \( 1 + 4.72T + 67T^{2} \)
71 \( 1 + 6.25T + 71T^{2} \)
73 \( 1 + 11.4T + 73T^{2} \)
79 \( 1 - 4.55T + 79T^{2} \)
83 \( 1 + 10.1T + 83T^{2} \)
89 \( 1 + 8.24T + 89T^{2} \)
97 \( 1 - 1.74T + 97T^{2} \)
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\[\begin{aligned} L(s) = \prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1} \end{aligned}\]

Imaginary part of the first few zeros on the critical line

−7.30825551135353269068417059002, −6.37274282934683146819670465513, −6.04542123953429389365568850070, −5.61750444289831304683868519013, −4.52490600343899763293110784493, −3.92572718379283316569497910306, −3.41114466482564541916485872879, −2.19709594708874365379859769453, −1.47420693669790440193520748477, 0, 1.47420693669790440193520748477, 2.19709594708874365379859769453, 3.41114466482564541916485872879, 3.92572718379283316569497910306, 4.52490600343899763293110784493, 5.61750444289831304683868519013, 6.04542123953429389365568850070, 6.37274282934683146819670465513, 7.30825551135353269068417059002

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