Properties

Label 2-27930-1.1-c1-0-12
Degree $2$
Conductor $27930$
Sign $1$
Analytic cond. $223.022$
Root an. cond. $14.9339$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2-s − 3-s + 4-s − 5-s − 6-s + 8-s + 9-s − 10-s − 4·11-s − 12-s + 2·13-s + 15-s + 16-s + 2·17-s + 18-s + 19-s − 20-s − 4·22-s − 8·23-s − 24-s + 25-s + 2·26-s − 27-s + 6·29-s + 30-s − 4·31-s + 32-s + ⋯
L(s)  = 1  + 0.707·2-s − 0.577·3-s + 1/2·4-s − 0.447·5-s − 0.408·6-s + 0.353·8-s + 1/3·9-s − 0.316·10-s − 1.20·11-s − 0.288·12-s + 0.554·13-s + 0.258·15-s + 1/4·16-s + 0.485·17-s + 0.235·18-s + 0.229·19-s − 0.223·20-s − 0.852·22-s − 1.66·23-s − 0.204·24-s + 1/5·25-s + 0.392·26-s − 0.192·27-s + 1.11·29-s + 0.182·30-s − 0.718·31-s + 0.176·32-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 27930 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 27930 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(27930\)    =    \(2 \cdot 3 \cdot 5 \cdot 7^{2} \cdot 19\)
Sign: $1$
Analytic conductor: \(223.022\)
Root analytic conductor: \(14.9339\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 27930,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(1.944112451\)
\(L(\frac12)\) \(\approx\) \(1.944112451\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 - T \)
3 \( 1 + T \)
5 \( 1 + T \)
7 \( 1 \)
19 \( 1 - T \)
good11 \( 1 + 4 T + p T^{2} \)
13 \( 1 - 2 T + p T^{2} \)
17 \( 1 - 2 T + p T^{2} \)
23 \( 1 + 8 T + p T^{2} \)
29 \( 1 - 6 T + p T^{2} \)
31 \( 1 + 4 T + p T^{2} \)
37 \( 1 + 10 T + p T^{2} \)
41 \( 1 - 2 T + p T^{2} \)
43 \( 1 - 12 T + p T^{2} \)
47 \( 1 + p T^{2} \)
53 \( 1 - 6 T + p T^{2} \)
59 \( 1 + p T^{2} \)
61 \( 1 - 10 T + p T^{2} \)
67 \( 1 + 4 T + p T^{2} \)
71 \( 1 + 8 T + p T^{2} \)
73 \( 1 + 2 T + p T^{2} \)
79 \( 1 + 12 T + p T^{2} \)
83 \( 1 - 8 T + p T^{2} \)
89 \( 1 + 6 T + p T^{2} \)
97 \( 1 + 18 T + p T^{2} \)
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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

−15.40253562720608, −14.59889718256606, −14.15494669979071, −13.58191749190117, −13.11478901609828, −12.38886946902008, −12.16146585461082, −11.63171603883111, −10.87304998308303, −10.55590271226215, −10.07851469762837, −9.332560234450665, −8.333961099017157, −8.139908308250313, −7.245651332468497, −7.004036509333565, −5.938934884571963, −5.735278555799318, −5.118070682194898, −4.335539369273602, −3.890970950818089, −3.108010125600276, −2.406003593737514, −1.529853888891279, −0.4978234782573722, 0.4978234782573722, 1.529853888891279, 2.406003593737514, 3.108010125600276, 3.890970950818089, 4.335539369273602, 5.118070682194898, 5.735278555799318, 5.938934884571963, 7.004036509333565, 7.245651332468497, 8.139908308250313, 8.333961099017157, 9.332560234450665, 10.07851469762837, 10.55590271226215, 10.87304998308303, 11.63171603883111, 12.16146585461082, 12.38886946902008, 13.11478901609828, 13.58191749190117, 14.15494669979071, 14.59889718256606, 15.40253562720608

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