Properties

Label 2-2005-1.1-c1-0-98
Degree $2$
Conductor $2005$
Sign $-1$
Analytic cond. $16.0100$
Root an. cond. $4.00125$
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  − 2.67·2-s + 2.10·3-s + 5.15·4-s − 5-s − 5.64·6-s + 2.87·7-s − 8.44·8-s + 1.45·9-s + 2.67·10-s − 4.04·11-s + 10.8·12-s − 3.14·13-s − 7.69·14-s − 2.10·15-s + 12.2·16-s − 0.961·17-s − 3.88·18-s + 0.696·19-s − 5.15·20-s + 6.06·21-s + 10.8·22-s + 0.357·23-s − 17.8·24-s + 25-s + 8.41·26-s − 3.26·27-s + 14.8·28-s + ⋯
L(s)  = 1  − 1.89·2-s + 1.21·3-s + 2.57·4-s − 0.447·5-s − 2.30·6-s + 1.08·7-s − 2.98·8-s + 0.484·9-s + 0.846·10-s − 1.21·11-s + 3.14·12-s − 0.871·13-s − 2.05·14-s − 0.544·15-s + 3.07·16-s − 0.233·17-s − 0.915·18-s + 0.159·19-s − 1.15·20-s + 1.32·21-s + 2.30·22-s + 0.0746·23-s − 3.63·24-s + 0.200·25-s + 1.64·26-s − 0.628·27-s + 2.80·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 2005 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 2005 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(2005\)    =    \(5 \cdot 401\)
Sign: $-1$
Analytic conductor: \(16.0100\)
Root analytic conductor: \(4.00125\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 2005,\ (\ :1/2),\ -1)\)

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)$
bad5 \( 1 + T \)
401 \( 1 + T \)
good2 \( 1 + 2.67T + 2T^{2} \)
3 \( 1 - 2.10T + 3T^{2} \)
7 \( 1 - 2.87T + 7T^{2} \)
11 \( 1 + 4.04T + 11T^{2} \)
13 \( 1 + 3.14T + 13T^{2} \)
17 \( 1 + 0.961T + 17T^{2} \)
19 \( 1 - 0.696T + 19T^{2} \)
23 \( 1 - 0.357T + 23T^{2} \)
29 \( 1 + 6.80T + 29T^{2} \)
31 \( 1 - 5.44T + 31T^{2} \)
37 \( 1 + 3.91T + 37T^{2} \)
41 \( 1 + 0.585T + 41T^{2} \)
43 \( 1 - 0.470T + 43T^{2} \)
47 \( 1 - 5.50T + 47T^{2} \)
53 \( 1 + 0.749T + 53T^{2} \)
59 \( 1 + 4.44T + 59T^{2} \)
61 \( 1 + 12.6T + 61T^{2} \)
67 \( 1 + 5.15T + 67T^{2} \)
71 \( 1 + 11.2T + 71T^{2} \)
73 \( 1 + 15.5T + 73T^{2} \)
79 \( 1 + 10.8T + 79T^{2} \)
83 \( 1 - 16.7T + 83T^{2} \)
89 \( 1 - 7.43T + 89T^{2} \)
97 \( 1 - 10.7T + 97T^{2} \)
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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

−8.808820296422571924334497889608, −7.894254620638412238033013460302, −7.77304227059633480814779819346, −7.14311125932742666167172155812, −5.79197108106619971145576050581, −4.64059444277824247891160873959, −3.15290556309274943215112785613, −2.44229701140094375253980051094, −1.62901646369115089481322100718, 0, 1.62901646369115089481322100718, 2.44229701140094375253980051094, 3.15290556309274943215112785613, 4.64059444277824247891160873959, 5.79197108106619971145576050581, 7.14311125932742666167172155812, 7.77304227059633480814779819346, 7.894254620638412238033013460302, 8.808820296422571924334497889608

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