Properties

Label 2-1216-19.18-c2-0-46
Degree $2$
Conductor $1216$
Sign $1$
Analytic cond. $33.1336$
Root an. cond. $5.75617$
Motivic weight $2$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 9·5-s − 5·7-s + 9·9-s − 3·11-s + 15·17-s + 19·19-s − 30·23-s + 56·25-s − 45·35-s + 85·43-s + 81·45-s + 75·47-s − 24·49-s − 27·55-s − 103·61-s − 45·63-s − 25·73-s + 15·77-s + 81·81-s − 90·83-s + 135·85-s + 171·95-s − 27·99-s + 102·101-s − 270·115-s − 75·119-s + ⋯
L(s)  = 1  + 9/5·5-s − 5/7·7-s + 9-s − 0.272·11-s + 0.882·17-s + 19-s − 1.30·23-s + 2.23·25-s − 9/7·35-s + 1.97·43-s + 9/5·45-s + 1.59·47-s − 0.489·49-s − 0.490·55-s − 1.68·61-s − 5/7·63-s − 0.342·73-s + 0.194·77-s + 81-s − 1.08·83-s + 1.58·85-s + 9/5·95-s − 0.272·99-s + 1.00·101-s − 2.34·115-s − 0.630·119-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: yes
Arithmetic: yes
Character: $\chi_{1216} (1025, \cdot )$
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 1216,\ (\ :1),\ 1)\)

Particular Values

\(L(\frac{3}{2})\) \(\approx\) \(2.908858084\)
\(L(\frac12)\) \(\approx\) \(2.908858084\)
\(L(2)\) 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 \( 1 - p T \)
good3 \( ( 1 - p T )( 1 + p T ) \)
5 \( 1 - 9 T + p^{2} T^{2} \)
7 \( 1 + 5 T + p^{2} T^{2} \)
11 \( 1 + 3 T + p^{2} T^{2} \)
13 \( ( 1 - p T )( 1 + p T ) \)
17 \( 1 - 15 T + p^{2} T^{2} \)
23 \( 1 + 30 T + p^{2} T^{2} \)
29 \( ( 1 - p T )( 1 + p T ) \)
31 \( ( 1 - p T )( 1 + p T ) \)
37 \( ( 1 - p T )( 1 + p T ) \)
41 \( ( 1 - p T )( 1 + p T ) \)
43 \( 1 - 85 T + p^{2} T^{2} \)
47 \( 1 - 75 T + p^{2} T^{2} \)
53 \( ( 1 - p T )( 1 + p T ) \)
59 \( ( 1 - p T )( 1 + p T ) \)
61 \( 1 + 103 T + p^{2} T^{2} \)
67 \( ( 1 - p T )( 1 + p T ) \)
71 \( ( 1 - p T )( 1 + p T ) \)
73 \( 1 + 25 T + p^{2} T^{2} \)
79 \( ( 1 - p T )( 1 + p T ) \)
83 \( 1 + 90 T + p^{2} T^{2} \)
89 \( ( 1 - p T )( 1 + p T ) \)
97 \( ( 1 - p T )( 1 + p T ) \)
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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

−9.649972463024713053364234325284, −9.105394762819596607049229204256, −7.77077838228765034355880436961, −6.99522204364989418090760294002, −5.98322752778740456972739487696, −5.62506890034150729267197144855, −4.43242191859550371803827083969, −3.16891407358891841047223956758, −2.13500779217334363755951604325, −1.09644941361980430604157467245, 1.09644941361980430604157467245, 2.13500779217334363755951604325, 3.16891407358891841047223956758, 4.43242191859550371803827083969, 5.62506890034150729267197144855, 5.98322752778740456972739487696, 6.99522204364989418090760294002, 7.77077838228765034355880436961, 9.105394762819596607049229204256, 9.649972463024713053364234325284

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