Properties

Label 2-448-16.5-c1-0-3
Degree $2$
Conductor $448$
Sign $0.382 - 0.923i$
Analytic cond. $3.57729$
Root an. cond. $1.89137$
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  + (2 + 2i)5-s + i·7-s + 3i·9-s + (−1 − i)11-s − 2·17-s + (−2 + 2i)19-s + 6i·23-s + 3i·25-s + (7 − 7i)29-s + 8·31-s + (−2 + 2i)35-s + (−5 − 5i)37-s + 10i·41-s + (1 + i)43-s + (−6 + 6i)45-s + ⋯
L(s)  = 1  + (0.894 + 0.894i)5-s + 0.377i·7-s + i·9-s + (−0.301 − 0.301i)11-s − 0.485·17-s + (−0.458 + 0.458i)19-s + 1.25i·23-s + 0.600i·25-s + (1.29 − 1.29i)29-s + 1.43·31-s + (−0.338 + 0.338i)35-s + (−0.821 − 0.821i)37-s + 1.56i·41-s + (0.152 + 0.152i)43-s + (−0.894 + 0.894i)45-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 448 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & (0.382 - 0.923i)\, \overline{\Lambda}(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 448 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & (0.382 - 0.923i)\, \overline{\Lambda}(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(448\)    =    \(2^{6} \cdot 7\)
Sign: $0.382 - 0.923i$
Analytic conductor: \(3.57729\)
Root analytic conductor: \(1.89137\)
Motivic weight: \(1\)
Rational: no
Arithmetic: yes
Character: $\chi_{448} (113, \cdot )$
Primitive: yes
Self-dual: no
Analytic rank: \(0\)
Selberg data: \((2,\ 448,\ (\ :1/2),\ 0.382 - 0.923i)\)

Particular Values

\(L(1)\) \(\approx\) \(1.26564 + 0.845677i\)
\(L(\frac12)\) \(\approx\) \(1.26564 + 0.845677i\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
7 \( 1 - iT \)
good3 \( 1 - 3iT^{2} \)
5 \( 1 + (-2 - 2i)T + 5iT^{2} \)
11 \( 1 + (1 + i)T + 11iT^{2} \)
13 \( 1 - 13iT^{2} \)
17 \( 1 + 2T + 17T^{2} \)
19 \( 1 + (2 - 2i)T - 19iT^{2} \)
23 \( 1 - 6iT - 23T^{2} \)
29 \( 1 + (-7 + 7i)T - 29iT^{2} \)
31 \( 1 - 8T + 31T^{2} \)
37 \( 1 + (5 + 5i)T + 37iT^{2} \)
41 \( 1 - 10iT - 41T^{2} \)
43 \( 1 + (-1 - i)T + 43iT^{2} \)
47 \( 1 - 12T + 47T^{2} \)
53 \( 1 + (1 + i)T + 53iT^{2} \)
59 \( 1 + (8 + 8i)T + 59iT^{2} \)
61 \( 1 + (-6 + 6i)T - 61iT^{2} \)
67 \( 1 + (3 - 3i)T - 67iT^{2} \)
71 \( 1 - 71T^{2} \)
73 \( 1 + 6iT - 73T^{2} \)
79 \( 1 + 10T + 79T^{2} \)
83 \( 1 + (-10 + 10i)T - 83iT^{2} \)
89 \( 1 + 14iT - 89T^{2} \)
97 \( 1 + 2T + 97T^{2} \)
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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

−11.09175911822384893501823113793, −10.35670127096813347327475871805, −9.702580643477614558712439334401, −8.488434702398828304283790782527, −7.63535624886946463675416202902, −6.43597228751578873118889251037, −5.76115276136681354195826822349, −4.58390955543127375685342795580, −2.93871229315693150871133454447, −2.03452628303811696987370072213, 1.01412491854280694197179319487, 2.60887290518471560943107486435, 4.22433895433586790162957033536, 5.11215983379857543480039693700, 6.28252593000336441674969014597, 7.03215059120741030488718027095, 8.589862870716613432622908501128, 8.965539802145006168766497355833, 10.07397152515153498375012293207, 10.67805717949875776131921745508

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