Properties

Label 2-1216-1.1-c3-0-17
Degree $2$
Conductor $1216$
Sign $1$
Analytic cond. $71.7463$
Root an. cond. $8.47032$
Motivic weight $3$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 8.77·3-s + 17.3·5-s − 26.0·7-s + 49.9·9-s + 4.22·11-s − 64.0·13-s − 151.·15-s − 48.5·17-s − 19·19-s + 228.·21-s + 92.0·23-s + 174.·25-s − 201.·27-s + 88.2·29-s − 81.9·31-s − 37.0·33-s − 451.·35-s + 23.6·37-s + 561.·39-s + 17.7·41-s − 368.·43-s + 864.·45-s − 497.·47-s + 337.·49-s + 425.·51-s + 536.·53-s + 73.2·55-s + ⋯
L(s)  = 1  − 1.68·3-s + 1.54·5-s − 1.40·7-s + 1.84·9-s + 0.115·11-s − 1.36·13-s − 2.61·15-s − 0.692·17-s − 0.229·19-s + 2.37·21-s + 0.834·23-s + 1.39·25-s − 1.43·27-s + 0.564·29-s − 0.474·31-s − 0.195·33-s − 2.18·35-s + 0.104·37-s + 2.30·39-s + 0.0674·41-s − 1.30·43-s + 2.86·45-s − 1.54·47-s + 0.984·49-s + 1.16·51-s + 1.39·53-s + 0.179·55-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1216 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(4-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1216 ^{s/2} \, \Gamma_{\C}(s+3/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1216\)    =    \(2^{6} \cdot 19\)
Sign: $1$
Analytic conductor: \(71.7463\)
Root analytic conductor: \(8.47032\)
Motivic weight: \(3\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1216,\ (\ :3/2),\ 1)\)

Particular Values

\(L(2)\) \(\approx\) \(0.7682767863\)
\(L(\frac12)\) \(\approx\) \(0.7682767863\)
\(L(\frac{5}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
19 \( 1 + 19T \)
good3 \( 1 + 8.77T + 27T^{2} \)
5 \( 1 - 17.3T + 125T^{2} \)
7 \( 1 + 26.0T + 343T^{2} \)
11 \( 1 - 4.22T + 1.33e3T^{2} \)
13 \( 1 + 64.0T + 2.19e3T^{2} \)
17 \( 1 + 48.5T + 4.91e3T^{2} \)
23 \( 1 - 92.0T + 1.21e4T^{2} \)
29 \( 1 - 88.2T + 2.43e4T^{2} \)
31 \( 1 + 81.9T + 2.97e4T^{2} \)
37 \( 1 - 23.6T + 5.06e4T^{2} \)
41 \( 1 - 17.7T + 6.89e4T^{2} \)
43 \( 1 + 368.T + 7.95e4T^{2} \)
47 \( 1 + 497.T + 1.03e5T^{2} \)
53 \( 1 - 536.T + 1.48e5T^{2} \)
59 \( 1 - 36.6T + 2.05e5T^{2} \)
61 \( 1 + 630.T + 2.26e5T^{2} \)
67 \( 1 + 282.T + 3.00e5T^{2} \)
71 \( 1 - 595.T + 3.57e5T^{2} \)
73 \( 1 + 597.T + 3.89e5T^{2} \)
79 \( 1 - 427.T + 4.93e5T^{2} \)
83 \( 1 + 493.T + 5.71e5T^{2} \)
89 \( 1 + 921.T + 7.04e5T^{2} \)
97 \( 1 - 1.08e3T + 9.12e5T^{2} \)
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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

−9.775358651900437767722628932714, −8.909466250171584697813728561853, −7.14621326168448255069470367164, −6.61862594344849791201250593154, −6.07300625482031912790381916961, −5.28687096676857247266586368394, −4.60335072780410334854389832680, −2.99673260301974631476974528511, −1.84338025992264241344640002805, −0.47450578254244322611080032702, 0.47450578254244322611080032702, 1.84338025992264241344640002805, 2.99673260301974631476974528511, 4.60335072780410334854389832680, 5.28687096676857247266586368394, 6.07300625482031912790381916961, 6.61862594344849791201250593154, 7.14621326168448255069470367164, 8.909466250171584697813728561853, 9.775358651900437767722628932714

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