Properties

Label 2-306-1.1-c1-0-4
Degree $2$
Conductor $306$
Sign $1$
Analytic cond. $2.44342$
Root an. cond. $1.56314$
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 + 4-s + 2·7-s + 8-s + 2·13-s + 2·14-s + 16-s + 17-s − 4·19-s + 6·23-s − 5·25-s + 2·26-s + 2·28-s − 10·31-s + 32-s + 34-s + 8·37-s − 4·38-s − 6·41-s − 4·43-s + 6·46-s − 12·47-s − 3·49-s − 5·50-s + 2·52-s − 6·53-s + 2·56-s + ⋯
L(s)  = 1  + 0.707·2-s + 1/2·4-s + 0.755·7-s + 0.353·8-s + 0.554·13-s + 0.534·14-s + 1/4·16-s + 0.242·17-s − 0.917·19-s + 1.25·23-s − 25-s + 0.392·26-s + 0.377·28-s − 1.79·31-s + 0.176·32-s + 0.171·34-s + 1.31·37-s − 0.648·38-s − 0.937·41-s − 0.609·43-s + 0.884·46-s − 1.75·47-s − 3/7·49-s − 0.707·50-s + 0.277·52-s − 0.824·53-s + 0.267·56-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 306 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 306 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(306\)    =    \(2 \cdot 3^{2} \cdot 17\)
Sign: $1$
Analytic conductor: \(2.44342\)
Root analytic conductor: \(1.56314\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 306,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(2.068306077\)
\(L(\frac12)\) \(\approx\) \(2.068306077\)
\(L(\frac{3}{2})\) 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 \( 1 \)
17 \( 1 - T \)
good5 \( 1 + p T^{2} \)
7 \( 1 - 2 T + p T^{2} \)
11 \( 1 + p T^{2} \)
13 \( 1 - 2 T + p T^{2} \)
19 \( 1 + 4 T + p T^{2} \)
23 \( 1 - 6 T + p T^{2} \)
29 \( 1 + p T^{2} \)
31 \( 1 + 10 T + p T^{2} \)
37 \( 1 - 8 T + p T^{2} \)
41 \( 1 + 6 T + p T^{2} \)
43 \( 1 + 4 T + p T^{2} \)
47 \( 1 + 12 T + p T^{2} \)
53 \( 1 + 6 T + p T^{2} \)
59 \( 1 - 12 T + p T^{2} \)
61 \( 1 - 8 T + p T^{2} \)
67 \( 1 + 4 T + p T^{2} \)
71 \( 1 + 6 T + p T^{2} \)
73 \( 1 - 2 T + p T^{2} \)
79 \( 1 + 10 T + p T^{2} \)
83 \( 1 + 12 T + p T^{2} \)
89 \( 1 - 18 T + p T^{2} \)
97 \( 1 - 14 T + p T^{2} \)
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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

−11.53385169968493935461100938953, −11.14807860206782462084621558636, −10.00723343046726241119720950602, −8.745924693621362183100177299272, −7.81014283472581039979750102513, −6.70932306148654350305246926067, −5.60715979666329449780909401068, −4.60759445774375135200288872743, −3.42809860399723990451499242436, −1.81193945201237649695550582777, 1.81193945201237649695550582777, 3.42809860399723990451499242436, 4.60759445774375135200288872743, 5.60715979666329449780909401068, 6.70932306148654350305246926067, 7.81014283472581039979750102513, 8.745924693621362183100177299272, 10.00723343046726241119720950602, 11.14807860206782462084621558636, 11.53385169968493935461100938953

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