Properties

Label 2-1666-1.1-c1-0-18
Degree $2$
Conductor $1666$
Sign $-1$
Analytic cond. $13.3030$
Root an. cond. $3.64733$
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-s − 1.41·3-s + 4-s − 3.41·5-s + 1.41·6-s − 8-s − 0.999·9-s + 3.41·10-s + 4.24·11-s − 1.41·12-s − 0.828·13-s + 4.82·15-s + 16-s + 17-s + 0.999·18-s − 1.17·19-s − 3.41·20-s − 4.24·22-s + 2.82·23-s + 1.41·24-s + 6.65·25-s + 0.828·26-s + 5.65·27-s − 5.07·29-s − 4.82·30-s + 4·31-s − 32-s + ⋯
L(s)  = 1  − 0.707·2-s − 0.816·3-s + 0.5·4-s − 1.52·5-s + 0.577·6-s − 0.353·8-s − 0.333·9-s + 1.07·10-s + 1.27·11-s − 0.408·12-s − 0.229·13-s + 1.24·15-s + 0.250·16-s + 0.242·17-s + 0.235·18-s − 0.268·19-s − 0.763·20-s − 0.904·22-s + 0.589·23-s + 0.288·24-s + 1.33·25-s + 0.162·26-s + 1.08·27-s − 0.941·29-s − 0.881·30-s + 0.718·31-s − 0.176·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1666 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1666 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1666\)    =    \(2 \cdot 7^{2} \cdot 17\)
Sign: $-1$
Analytic conductor: \(13.3030\)
Root analytic conductor: \(3.64733\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1666,\ (\ :1/2),\ -1)\)

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 \( 1 + T \)
7 \( 1 \)
17 \( 1 - T \)
good3 \( 1 + 1.41T + 3T^{2} \)
5 \( 1 + 3.41T + 5T^{2} \)
11 \( 1 - 4.24T + 11T^{2} \)
13 \( 1 + 0.828T + 13T^{2} \)
19 \( 1 + 1.17T + 19T^{2} \)
23 \( 1 - 2.82T + 23T^{2} \)
29 \( 1 + 5.07T + 29T^{2} \)
31 \( 1 - 4T + 31T^{2} \)
37 \( 1 - 10.2T + 37T^{2} \)
41 \( 1 + 6T + 41T^{2} \)
43 \( 1 - 8.48T + 43T^{2} \)
47 \( 1 + 7.17T + 47T^{2} \)
53 \( 1 + 8.82T + 53T^{2} \)
59 \( 1 - 11.3T + 59T^{2} \)
61 \( 1 + 6.24T + 61T^{2} \)
67 \( 1 + 6.82T + 67T^{2} \)
71 \( 1 + 1.17T + 71T^{2} \)
73 \( 1 + 6.48T + 73T^{2} \)
79 \( 1 + 12.4T + 79T^{2} \)
83 \( 1 - 5.65T + 83T^{2} \)
89 \( 1 + 9.65T + 89T^{2} \)
97 \( 1 - 18.9T + 97T^{2} \)
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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

−8.897022544879507855637747593932, −8.171623087987009865258206611308, −7.43627601739549150469341002807, −6.66800778099619816535046584041, −5.93122127512132848618794303888, −4.75032891047545222162092595787, −3.91850568444440549461938381791, −2.90529638280549278013725850801, −1.15813368021054032941525813740, 0, 1.15813368021054032941525813740, 2.90529638280549278013725850801, 3.91850568444440549461938381791, 4.75032891047545222162092595787, 5.93122127512132848618794303888, 6.66800778099619816535046584041, 7.43627601739549150469341002807, 8.171623087987009865258206611308, 8.897022544879507855637747593932

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