Properties

Label 2-805-1.1-c1-0-33
Degree $2$
Conductor $805$
Sign $1$
Analytic cond. $6.42795$
Root an. cond. $2.53534$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 1.67·2-s + 3.26·3-s + 0.821·4-s + 5-s + 5.48·6-s − 7-s − 1.97·8-s + 7.64·9-s + 1.67·10-s + 2.67·11-s + 2.67·12-s − 4.80·13-s − 1.67·14-s + 3.26·15-s − 4.96·16-s − 3.20·17-s + 12.8·18-s + 2.76·19-s + 0.821·20-s − 3.26·21-s + 4.50·22-s − 23-s − 6.46·24-s + 25-s − 8.06·26-s + 15.1·27-s − 0.821·28-s + ⋯
L(s)  = 1  + 1.18·2-s + 1.88·3-s + 0.410·4-s + 0.447·5-s + 2.23·6-s − 0.377·7-s − 0.700·8-s + 2.54·9-s + 0.531·10-s + 0.807·11-s + 0.773·12-s − 1.33·13-s − 0.448·14-s + 0.842·15-s − 1.24·16-s − 0.777·17-s + 3.02·18-s + 0.633·19-s + 0.183·20-s − 0.712·21-s + 0.959·22-s − 0.208·23-s − 1.31·24-s + 0.200·25-s − 1.58·26-s + 2.91·27-s − 0.155·28-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 805 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & \, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 805 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & \, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(805\)    =    \(5 \cdot 7 \cdot 23\)
Sign: $1$
Analytic conductor: \(6.42795\)
Root analytic conductor: \(2.53534\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(0\)
Selberg data: \((2,\ 805,\ (\ :1/2),\ 1)\)

Particular Values

\(L(1)\) \(\approx\) \(4.749242850\)
\(L(\frac12)\) \(\approx\) \(4.749242850\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad5 \( 1 - T \)
7 \( 1 + T \)
23 \( 1 + T \)
good2 \( 1 - 1.67T + 2T^{2} \)
3 \( 1 - 3.26T + 3T^{2} \)
11 \( 1 - 2.67T + 11T^{2} \)
13 \( 1 + 4.80T + 13T^{2} \)
17 \( 1 + 3.20T + 17T^{2} \)
19 \( 1 - 2.76T + 19T^{2} \)
29 \( 1 + 7.60T + 29T^{2} \)
31 \( 1 + 8.00T + 31T^{2} \)
37 \( 1 - 7.56T + 37T^{2} \)
41 \( 1 - 8.18T + 41T^{2} \)
43 \( 1 + 5.22T + 43T^{2} \)
47 \( 1 - 7.00T + 47T^{2} \)
53 \( 1 + 0.178T + 53T^{2} \)
59 \( 1 + 8.96T + 59T^{2} \)
61 \( 1 - 7.14T + 61T^{2} \)
67 \( 1 - 9.06T + 67T^{2} \)
71 \( 1 + 6.29T + 71T^{2} \)
73 \( 1 - 2.44T + 73T^{2} \)
79 \( 1 + 7.74T + 79T^{2} \)
83 \( 1 + 4.71T + 83T^{2} \)
89 \( 1 + 10.8T + 89T^{2} \)
97 \( 1 + 3.73T + 97T^{2} \)
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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

−9.751556834599384882070343431355, −9.422603620275324136603241576376, −8.786766688066170281612969553976, −7.53985674992844710600210502727, −6.89890222106119575636263868743, −5.69065797399379242164433146151, −4.48364003195188766685276688995, −3.79683237544495915279186893480, −2.85711881460888311745952164264, −2.04003315769298212770123398841, 2.04003315769298212770123398841, 2.85711881460888311745952164264, 3.79683237544495915279186893480, 4.48364003195188766685276688995, 5.69065797399379242164433146151, 6.89890222106119575636263868743, 7.53985674992844710600210502727, 8.786766688066170281612969553976, 9.422603620275324136603241576376, 9.751556834599384882070343431355

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