Properties

Label 2-672-8.5-c1-0-10
Degree $2$
Conductor $672$
Sign $-0.534 + 0.845i$
Analytic cond. $5.36594$
Root an. cond. $2.31645$
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  + i·3-s − 4.10i·5-s − 7-s − 9-s − 2.67i·11-s + 3.02i·13-s + 4.10·15-s − 5.12·17-s − 2.78i·19-s i·21-s − 7.12·23-s − 11.8·25-s i·27-s − 8.83i·29-s + 1.42·31-s + ⋯
L(s)  = 1  + 0.577i·3-s − 1.83i·5-s − 0.377·7-s − 0.333·9-s − 0.807i·11-s + 0.838i·13-s + 1.05·15-s − 1.24·17-s − 0.637i·19-s − 0.218i·21-s − 1.48·23-s − 2.36·25-s − 0.192i·27-s − 1.63i·29-s + 0.255·31-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 672 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (-0.534 + 0.845i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 672 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (-0.534 + 0.845i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(672\)    =    \(2^{5} \cdot 3 \cdot 7\)
Sign: $-0.534 + 0.845i$
Analytic conductor: \(5.36594\)
Root analytic conductor: \(2.31645\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{672} (337, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 672,\ (\ :1/2),\ -0.534 + 0.845i)\)

Particular Values

\(L(1)\) \(\approx\) \(0.424977 - 0.771859i\)
\(L(\frac12)\) \(\approx\) \(0.424977 - 0.771859i\)
\(L(\frac{3}{2})\) 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 \( 1 - iT \)
7 \( 1 + T \)
good5 \( 1 + 4.10iT - 5T^{2} \)
11 \( 1 + 2.67iT - 11T^{2} \)
13 \( 1 - 3.02iT - 13T^{2} \)
17 \( 1 + 5.12T + 17T^{2} \)
19 \( 1 + 2.78iT - 19T^{2} \)
23 \( 1 + 7.12T + 23T^{2} \)
29 \( 1 + 8.83iT - 29T^{2} \)
31 \( 1 - 1.42T + 31T^{2} \)
37 \( 1 - 1.42iT - 37T^{2} \)
41 \( 1 - 5.12T + 41T^{2} \)
43 \( 1 + 2.39iT - 43T^{2} \)
47 \( 1 - 9.56T + 47T^{2} \)
53 \( 1 + 2.78iT - 53T^{2} \)
59 \( 1 + 4iT - 59T^{2} \)
61 \( 1 + 5.17iT - 61T^{2} \)
67 \( 1 - 0.244iT - 67T^{2} \)
71 \( 1 - 4.27T + 71T^{2} \)
73 \( 1 + 4.15T + 73T^{2} \)
79 \( 1 + 6.25T + 79T^{2} \)
83 \( 1 - 9.35iT - 83T^{2} \)
89 \( 1 - 11.2T + 89T^{2} \)
97 \( 1 - 6.69T + 97T^{2} \)
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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

−9.956433821050604516319232047115, −9.231594123215014726753538795353, −8.705118932347589626170021762245, −7.921818869765924915371848172919, −6.40007635680538998087198978324, −5.58547812122405577929071209886, −4.49016462901033389686382288489, −4.00408799469641709478310877918, −2.19521221554476824168278841791, −0.44227034401757427938518163838, 2.09570872080927239266768447886, 2.97535289615267483865543556691, 4.08042045884049859012933667854, 5.75156370564895031121058169434, 6.49324682823592232524772693385, 7.22751575484445746012354934696, 7.85950871581726271120794036372, 9.131954189525344328891188643485, 10.31096834716367268387712005226, 10.55943424714475272906171880340

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