Properties

Label 2-1815-1.1-c1-0-21
Degree $2$
Conductor $1815$
Sign $1$
Analytic cond. $14.4928$
Root an. cond. $3.80694$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.16·2-s + 3-s − 0.649·4-s − 5-s + 1.16·6-s − 4.28·7-s − 3.07·8-s + 9-s − 1.16·10-s − 0.649·12-s + 5.16·13-s − 4.98·14-s − 15-s − 2.27·16-s + 5·17-s + 1.16·18-s + 5.59·19-s + 0.649·20-s − 4.28·21-s − 0.219·23-s − 3.07·24-s + 25-s + 6.00·26-s + 27-s + 2.78·28-s + 6.41·29-s − 1.16·30-s + ⋯
L(s)  = 1  + 0.821·2-s + 0.577·3-s − 0.324·4-s − 0.447·5-s + 0.474·6-s − 1.62·7-s − 1.08·8-s + 0.333·9-s − 0.367·10-s − 0.187·12-s + 1.43·13-s − 1.33·14-s − 0.258·15-s − 0.569·16-s + 1.21·17-s + 0.273·18-s + 1.28·19-s + 0.145·20-s − 0.935·21-s − 0.0458·23-s − 0.628·24-s + 0.200·25-s + 1.17·26-s + 0.192·27-s + 0.526·28-s + 1.19·29-s − 0.212·30-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1815 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1815 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1815\)    =    \(3 \cdot 5 \cdot 11^{2}\)
Sign: $1$
Analytic conductor: \(14.4928\)
Root analytic conductor: \(3.80694\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1815,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.205857793\)
\(L(\frac12)\) \(\approx\) \(2.205857793\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad3 \( 1 - T \)
5 \( 1 + T \)
11 \( 1 \)
good2 \( 1 - 1.16T + 2T^{2} \)
7 \( 1 + 4.28T + 7T^{2} \)
13 \( 1 - 5.16T + 13T^{2} \)
17 \( 1 - 5T + 17T^{2} \)
19 \( 1 - 5.59T + 19T^{2} \)
23 \( 1 + 0.219T + 23T^{2} \)
29 \( 1 - 6.41T + 29T^{2} \)
31 \( 1 + 2.83T + 31T^{2} \)
37 \( 1 - 3.92T + 37T^{2} \)
41 \( 1 - 5.86T + 41T^{2} \)
43 \( 1 + 8.90T + 43T^{2} \)
47 \( 1 + 0.237T + 47T^{2} \)
53 \( 1 - 2.53T + 53T^{2} \)
59 \( 1 + 7.87T + 59T^{2} \)
61 \( 1 + 4.85T + 61T^{2} \)
67 \( 1 - 12.1T + 67T^{2} \)
71 \( 1 + 9.98T + 71T^{2} \)
73 \( 1 - 14.5T + 73T^{2} \)
79 \( 1 - 8.00T + 79T^{2} \)
83 \( 1 - 12.5T + 83T^{2} \)
89 \( 1 + 2.56T + 89T^{2} \)
97 \( 1 - 2.01T + 97T^{2} \)
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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

−9.389496829898253123009357220178, −8.507655335545484977527392241813, −7.74765416797264549187286572595, −6.65934506661259850284450828676, −6.04017727806943301335178090186, −5.17070405973182787312799121381, −3.97850864137795498839847394982, −3.40162607463411160333083533448, −2.94581148335683205809470155411, −0.890671792296941692537083279251, 0.890671792296941692537083279251, 2.94581148335683205809470155411, 3.40162607463411160333083533448, 3.97850864137795498839847394982, 5.17070405973182787312799121381, 6.04017727806943301335178090186, 6.65934506661259850284450828676, 7.74765416797264549187286572595, 8.507655335545484977527392241813, 9.389496829898253123009357220178

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