Properties

Label 2-80e2-1.1-c1-0-137
Degree $2$
Conductor $6400$
Sign $-1$
Analytic cond. $51.1042$
Root an. cond. $7.14872$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 2.44·3-s + 1.41·7-s + 2.99·9-s − 2·11-s − 5.65·13-s − 4.89·17-s − 6·19-s + 3.46·21-s + 7.07·23-s − 6.92·29-s + 6.92·31-s − 4.89·33-s + 2.82·37-s − 13.8·39-s + 4·41-s − 2.44·43-s − 4.24·47-s − 5·49-s − 11.9·51-s − 14.6·57-s − 2·59-s − 3.46·61-s + 4.24·63-s + 2.44·67-s + 17.3·69-s + 6.92·71-s − 4.89·73-s + ⋯
L(s)  = 1  + 1.41·3-s + 0.534·7-s + 0.999·9-s − 0.603·11-s − 1.56·13-s − 1.18·17-s − 1.37·19-s + 0.755·21-s + 1.47·23-s − 1.28·29-s + 1.24·31-s − 0.852·33-s + 0.464·37-s − 2.21·39-s + 0.624·41-s − 0.373·43-s − 0.618·47-s − 0.714·49-s − 1.68·51-s − 1.94·57-s − 0.260·59-s − 0.443·61-s + 0.534·63-s + 0.299·67-s + 2.08·69-s + 0.822·71-s − 0.573·73-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 6400 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 6400 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(6400\)    =    \(2^{8} \cdot 5^{2}\)
Sign: $-1$
Analytic conductor: \(51.1042\)
Root analytic conductor: \(7.14872\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 6400,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
5 \( 1 \)
good3 \( 1 - 2.44T + 3T^{2} \)
7 \( 1 - 1.41T + 7T^{2} \)
11 \( 1 + 2T + 11T^{2} \)
13 \( 1 + 5.65T + 13T^{2} \)
17 \( 1 + 4.89T + 17T^{2} \)
19 \( 1 + 6T + 19T^{2} \)
23 \( 1 - 7.07T + 23T^{2} \)
29 \( 1 + 6.92T + 29T^{2} \)
31 \( 1 - 6.92T + 31T^{2} \)
37 \( 1 - 2.82T + 37T^{2} \)
41 \( 1 - 4T + 41T^{2} \)
43 \( 1 + 2.44T + 43T^{2} \)
47 \( 1 + 4.24T + 47T^{2} \)
53 \( 1 + 53T^{2} \)
59 \( 1 + 2T + 59T^{2} \)
61 \( 1 + 3.46T + 61T^{2} \)
67 \( 1 - 2.44T + 67T^{2} \)
71 \( 1 - 6.92T + 71T^{2} \)
73 \( 1 + 4.89T + 73T^{2} \)
79 \( 1 - 6.92T + 79T^{2} \)
83 \( 1 + 12.2T + 83T^{2} \)
89 \( 1 + 2T + 89T^{2} \)
97 \( 1 + 14.6T + 97T^{2} \)
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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

−7.891608599989156157662977403967, −7.13244102967098878929562522480, −6.52449418370677617909351706366, −5.31483315895409588978374581713, −4.64580091158980977231455924302, −4.05664473636801749738831776862, −2.85166243272533646525486940196, −2.50610155220190590941183348908, −1.70331265173492905390901899734, 0, 1.70331265173492905390901899734, 2.50610155220190590941183348908, 2.85166243272533646525486940196, 4.05664473636801749738831776862, 4.64580091158980977231455924302, 5.31483315895409588978374581713, 6.52449418370677617909351706366, 7.13244102967098878929562522480, 7.891608599989156157662977403967

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