Properties

Label 2-12e3-12.11-c1-0-22
Degree $2$
Conductor $1728$
Sign $i$
Analytic cond. $13.7981$
Root an. cond. $3.71458$
Motivic weight $1$
Arithmetic yes
Rational no
Primitive yes
Self-dual no
Analytic rank $0$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  − 0.317i·5-s + 1.44i·7-s − 1.09·11-s − 2.89·13-s − 3.46i·17-s − 4.89i·19-s − 2.82·23-s + 4.89·25-s − 9.12i·29-s + 7.44i·31-s + 0.460·35-s − 4.89·37-s − 9.75i·41-s − 6.89i·43-s + 9.12·47-s + ⋯
L(s)  = 1  − 0.142i·5-s + 0.547i·7-s − 0.330·11-s − 0.804·13-s − 0.840i·17-s − 1.12i·19-s − 0.589·23-s + 0.979·25-s − 1.69i·29-s + 1.33i·31-s + 0.0778·35-s − 0.805·37-s − 1.52i·41-s − 1.05i·43-s + 1.33·47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1728 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & i\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1728 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & i\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1728\)    =    \(2^{6} \cdot 3^{3}\)
Sign: $i$
Analytic conductor: \(13.7981\)
Root analytic conductor: \(3.71458\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1728} (1727, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1728,\ (\ :1/2),\ i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.132317274\)
\(L(\frac12)\) \(\approx\) \(1.132317274\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
good5 \( 1 + 0.317iT - 5T^{2} \)
7 \( 1 - 1.44iT - 7T^{2} \)
11 \( 1 + 1.09T + 11T^{2} \)
13 \( 1 + 2.89T + 13T^{2} \)
17 \( 1 + 3.46iT - 17T^{2} \)
19 \( 1 + 4.89iT - 19T^{2} \)
23 \( 1 + 2.82T + 23T^{2} \)
29 \( 1 + 9.12iT - 29T^{2} \)
31 \( 1 - 7.44iT - 31T^{2} \)
37 \( 1 + 4.89T + 37T^{2} \)
41 \( 1 + 9.75iT - 41T^{2} \)
43 \( 1 + 6.89iT - 43T^{2} \)
47 \( 1 - 9.12T + 47T^{2} \)
53 \( 1 + 4.41iT - 53T^{2} \)
59 \( 1 - 9.12T + 59T^{2} \)
61 \( 1 + 4T + 61T^{2} \)
67 \( 1 - 5.10iT - 67T^{2} \)
71 \( 1 + 7.56T + 71T^{2} \)
73 \( 1 - 1.89T + 73T^{2} \)
79 \( 1 + 2iT - 79T^{2} \)
83 \( 1 + 15.8T + 83T^{2} \)
89 \( 1 + 11.9iT - 89T^{2} \)
97 \( 1 + 5T + 97T^{2} \)
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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

−8.951180014244978029454962154394, −8.583574980380660541785318548491, −7.34552493576272980753780507308, −6.95825516960830509496074052035, −5.70337313582588269662817226660, −5.10681748306194925363438720781, −4.21626097446394384696673098653, −2.90380233151201926832612974100, −2.18495096536102471051271913203, −0.43539434004673015020903518404, 1.33382656468913062578702097741, 2.58924248601055898056468370426, 3.65989893594197516045266365702, 4.50846476051776193997607470620, 5.48336746160743229037931100469, 6.32803217519549978561002336747, 7.23614385977551999209296479794, 7.86607364430354298873864302816, 8.665040697364095451587694992666, 9.628273687320824943031719557720

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