Properties

Degree 2
Conductor $ 7 \cdot 11 \cdot 43 $
Sign $1$
Motivic weight 0
Primitive yes
Self-dual yes
Analytic rank 0

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.87·2-s − 1.28·3-s + 2.53·4-s − 0.684·5-s − 2.41·6-s − 7-s + 2.87·8-s + 0.652·9-s − 1.28·10-s − 11-s − 3.25·12-s + 1.73·13-s − 1.87·14-s + 0.879·15-s + 2.87·16-s + 1.96·17-s + 1.22·18-s − 1.73·20-s + 1.28·21-s − 1.87·22-s + 23-s − 3.70·24-s − 0.532·25-s + 3.25·26-s + 0.446·27-s − 2.53·28-s + 1.53·29-s + ⋯
L(s)  = 1  + 1.87·2-s − 1.28·3-s + 2.53·4-s − 0.684·5-s − 2.41·6-s − 7-s + 2.87·8-s + 0.652·9-s − 1.28·10-s − 11-s − 3.25·12-s + 1.73·13-s − 1.87·14-s + 0.879·15-s + 2.87·16-s + 1.96·17-s + 1.22·18-s − 1.73·20-s + 1.28·21-s − 1.87·22-s + 23-s − 3.70·24-s − 0.532·25-s + 3.25·26-s + 0.446·27-s − 2.53·28-s + 1.53·29-s + ⋯

Functional equation

\[\begin{aligned} \Lambda(s)=\mathstrut & 3311 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned} \]
\[\begin{aligned} \Lambda(s)=\mathstrut & 3311 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned} \]

Invariants

\( d \)  =  \(2\)
\( N \)  =  \(3311\)    =    \(7 \cdot 11 \cdot 43\)
\( \varepsilon \)  =  $1$
motivic weight  =  \(0\)
character  :  $\chi_{3311} (3310, \cdot )$
primitive  :  yes
self-dual  :  yes
analytic rank  =  0
Selberg data  =  $(2,\ 3311,\ (\ :0),\ 1)$
$L(\frac{1}{2})$  $\approx$  $2.309779593$
$L(\frac12)$  $\approx$  $2.309779593$
$L(1)$   not available
$L(1)$   not available

Euler product

\[L(s) = \prod_{p \text{ prime}} F_p(p^{-s})^{-1} \] where, for $p \notin \{7,\;11,\;43\}$, \(F_p\) is a polynomial of degree 2. If $p \in \{7,\;11,\;43\}$, then $F_p$ is a polynomial of degree at most 1.
$p$$F_p$
bad7 \( 1 + T \)
11 \( 1 + T \)
43 \( 1 - T \)
good2 \( 1 - 1.87T + T^{2} \)
3 \( 1 + 1.28T + T^{2} \)
5 \( 1 + 0.684T + T^{2} \)
13 \( 1 - 1.73T + T^{2} \)
17 \( 1 - 1.96T + T^{2} \)
19 \( 1 - T^{2} \)
23 \( 1 - T + T^{2} \)
29 \( 1 - 1.53T + T^{2} \)
31 \( 1 - T^{2} \)
37 \( 1 - T^{2} \)
41 \( 1 + 1.96T + T^{2} \)
47 \( 1 - T^{2} \)
53 \( 1 - 0.347T + T^{2} \)
59 \( 1 - T^{2} \)
61 \( 1 - T^{2} \)
67 \( 1 + 1.87T + T^{2} \)
71 \( 1 - T^{2} \)
73 \( 1 - T^{2} \)
79 \( 1 - T^{2} \)
83 \( 1 + 1.28T + T^{2} \)
89 \( 1 + T^{2} \)
97 \( 1 - T^{2} \)
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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

−8.559604368324480836732841735456, −7.64618333855100589292223577107, −6.89097296964873019192354110756, −6.18811093351281029212212119672, −5.70639191809599558408664393814, −5.15284873771072311282724014825, −4.24918905050462287344085091642, −3.36696554176594540161337435032, −2.96619327250389796491487991684, −1.15314755041358650459711425266, 1.15314755041358650459711425266, 2.96619327250389796491487991684, 3.36696554176594540161337435032, 4.24918905050462287344085091642, 5.15284873771072311282724014825, 5.70639191809599558408664393814, 6.18811093351281029212212119672, 6.89097296964873019192354110756, 7.64618333855100589292223577107, 8.559604368324480836732841735456

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