Properties

Label 2-1216-19.18-c2-0-34
Degree $2$
Conductor $1216$
Sign $1$
Analytic cond. $33.1336$
Root an. cond. $5.75617$
Motivic weight $2$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 8.27·5-s + 8.82·7-s + 9·9-s + 17.3·11-s − 33.9·17-s − 19·19-s + 30·23-s + 43.4·25-s − 73.0·35-s + 31.1·43-s − 74.4·45-s − 11.5·47-s + 28.8·49-s − 143.·55-s + 108.·61-s + 79.4·63-s + 137.·73-s + 153.·77-s + 81·81-s + 90·83-s + 280.·85-s + 157.·95-s + 156.·99-s + 102·101-s − 248.·115-s − 299.·119-s + ⋯
L(s)  = 1  − 1.65·5-s + 1.26·7-s + 9-s + 1.57·11-s − 1.99·17-s − 19-s + 1.30·23-s + 1.73·25-s − 2.08·35-s + 0.725·43-s − 1.65·45-s − 0.246·47-s + 0.589·49-s − 2.61·55-s + 1.77·61-s + 1.26·63-s + 1.87·73-s + 1.99·77-s + 81-s + 1.08·83-s + 3.30·85-s + 1.65·95-s + 1.57·99-s + 1.00·101-s − 2.15·115-s − 2.51·119-s + ⋯

Functional equation

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

Invariants

Degree: \(2\)
Conductor: \(1216\)    =    \(2^{6} \cdot 19\)
Sign: $1$
Analytic conductor: \(33.1336\)
Root analytic conductor: \(5.75617\)
Motivic weight: \(2\)
Rational: no
Arithmetic: yes
Character: $\chi_{1216} (1025, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1216,\ (\ :1),\ 1)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(1.826417739\)
\(L(\frac12)\) \(\approx\) \(1.826417739\)
\(L(2)\) 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 \( 1 - 9T^{2} \)
5 \( 1 + 8.27T + 25T^{2} \)
7 \( 1 - 8.82T + 49T^{2} \)
11 \( 1 - 17.3T + 121T^{2} \)
13 \( 1 - 169T^{2} \)
17 \( 1 + 33.9T + 289T^{2} \)
23 \( 1 - 30T + 529T^{2} \)
29 \( 1 - 841T^{2} \)
31 \( 1 - 961T^{2} \)
37 \( 1 - 1.36e3T^{2} \)
41 \( 1 - 1.68e3T^{2} \)
43 \( 1 - 31.1T + 1.84e3T^{2} \)
47 \( 1 + 11.5T + 2.20e3T^{2} \)
53 \( 1 - 2.80e3T^{2} \)
59 \( 1 - 3.48e3T^{2} \)
61 \( 1 - 108.T + 3.72e3T^{2} \)
67 \( 1 - 4.48e3T^{2} \)
71 \( 1 - 5.04e3T^{2} \)
73 \( 1 - 137.T + 5.32e3T^{2} \)
79 \( 1 - 6.24e3T^{2} \)
83 \( 1 - 90T + 6.88e3T^{2} \)
89 \( 1 - 7.92e3T^{2} \)
97 \( 1 - 9.40e3T^{2} \)
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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

−9.249072203508443292901674703241, −8.663909534111799877263841375591, −7.959378767688993249294202391933, −7.00112076372468266461236978756, −6.63048977005336961018261782124, −4.82075029923866778757549980192, −4.33692293712700051648747847624, −3.74204118672950998808912107182, −2.03830946800499647329407192931, −0.840945592279295720297140119457, 0.840945592279295720297140119457, 2.03830946800499647329407192931, 3.74204118672950998808912107182, 4.33692293712700051648747847624, 4.82075029923866778757549980192, 6.63048977005336961018261782124, 7.00112076372468266461236978756, 7.959378767688993249294202391933, 8.663909534111799877263841375591, 9.249072203508443292901674703241

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