Properties

Label 2-12e3-72.61-c1-0-23
Degree $2$
Conductor $1728$
Sign $-0.968 + 0.250i$
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  + (1.5 − 0.866i)5-s + (0.495 − 0.857i)7-s + (−1.81 − 1.05i)11-s + (−5.50 + 3.18i)13-s − 3.81·17-s − 2i·19-s + (−3.55 − 6.15i)23-s + (−1 + 1.73i)25-s + (−7.22 − 4.17i)29-s + (−1.07 − 1.86i)31-s − 1.71i·35-s + 4.62i·37-s + (0.408 + 0.707i)41-s + (1.97 + 1.14i)43-s + (3.39 − 5.87i)47-s + ⋯
L(s)  = 1  + (0.670 − 0.387i)5-s + (0.187 − 0.324i)7-s + (−0.548 − 0.316i)11-s + (−1.52 + 0.882i)13-s − 0.925·17-s − 0.458i·19-s + (−0.740 − 1.28i)23-s + (−0.200 + 0.346i)25-s + (−1.34 − 0.774i)29-s + (−0.193 − 0.335i)31-s − 0.290i·35-s + 0.761i·37-s + (0.0637 + 0.110i)41-s + (0.301 + 0.174i)43-s + (0.494 − 0.857i)47-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1728 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.968 + 0.250i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1728 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.968 + 0.250i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1728\)    =    \(2^{6} \cdot 3^{3}\)
Sign: $-0.968 + 0.250i$
Analytic conductor: \(13.7981\)
Root analytic conductor: \(3.71458\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{1728} (289, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 1728,\ (\ :1/2),\ -0.968 + 0.250i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.4722381320\)
\(L(\frac12)\) \(\approx\) \(0.4722381320\)
\(L(\frac{3}{2})\) 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 \( 1 + (-1.5 + 0.866i)T + (2.5 - 4.33i)T^{2} \)
7 \( 1 + (-0.495 + 0.857i)T + (-3.5 - 6.06i)T^{2} \)
11 \( 1 + (1.81 + 1.05i)T + (5.5 + 9.52i)T^{2} \)
13 \( 1 + (5.50 - 3.18i)T + (6.5 - 11.2i)T^{2} \)
17 \( 1 + 3.81T + 17T^{2} \)
19 \( 1 + 2iT - 19T^{2} \)
23 \( 1 + (3.55 + 6.15i)T + (-11.5 + 19.9i)T^{2} \)
29 \( 1 + (7.22 + 4.17i)T + (14.5 + 25.1i)T^{2} \)
31 \( 1 + (1.07 + 1.86i)T + (-15.5 + 26.8i)T^{2} \)
37 \( 1 - 4.62iT - 37T^{2} \)
41 \( 1 + (-0.408 - 0.707i)T + (-20.5 + 35.5i)T^{2} \)
43 \( 1 + (-1.97 - 1.14i)T + (21.5 + 37.2i)T^{2} \)
47 \( 1 + (-3.39 + 5.87i)T + (-23.5 - 40.7i)T^{2} \)
53 \( 1 + 3.14iT - 53T^{2} \)
59 \( 1 + (10.3 - 5.95i)T + (29.5 - 51.0i)T^{2} \)
61 \( 1 + (4.22 + 2.43i)T + (30.5 + 52.8i)T^{2} \)
67 \( 1 + (11.8 - 6.86i)T + (33.5 - 58.0i)T^{2} \)
71 \( 1 - 13.5T + 71T^{2} \)
73 \( 1 - 10.0T + 73T^{2} \)
79 \( 1 + (-4.54 + 7.86i)T + (-39.5 - 68.4i)T^{2} \)
83 \( 1 + (-3.71 - 2.14i)T + (41.5 + 71.8i)T^{2} \)
89 \( 1 - 14.0T + 89T^{2} \)
97 \( 1 + (6.22 - 10.7i)T + (-48.5 - 84.0i)T^{2} \)
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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

−9.194854080235526010717110807250, −8.147006043083919588971681057564, −7.37941170200004477728541736747, −6.56477189236265575790080686791, −5.66777978866978361501593053609, −4.78077283175822699772619069516, −4.14960439243332186983486616230, −2.60032021009577996176707392646, −1.90444108670132011625786661770, −0.15570944660206464435760818811, 1.92514954950813893959373423378, 2.56852580149686902239846943858, 3.75765113987698114986897043562, 5.01686160991511317083550397637, 5.53213526381977100277345502095, 6.42834837635709869707970045108, 7.52538640654492122612491712510, 7.81948287075179251243777426980, 9.159895487727148682708980501959, 9.590234588473442585120411873635

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