Properties

Label 1650.2.a.y
Level $1650$
Weight $2$
Character orbit 1650.a
Self dual yes
Analytic conductor $13.175$
Analytic rank $0$
Dimension $2$
CM no
Inner twists $1$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [1650,2,Mod(1,1650)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(1650, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("1650.1");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 1650 = 2 \cdot 3 \cdot 5^{2} \cdot 11 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 1650.a (trivial)

Newform invariants

comment: select newform
 
sage: f = N[0] # Warning: the index may be different
 
gp: f = lf[1] \\ Warning: the index may be different
 
Self dual: yes
Analytic conductor: \(13.1753163335\)
Analytic rank: \(0\)
Dimension: \(2\)
Coefficient field: \(\Q(\sqrt{73}) \)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{2} - x - 18 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Fricke sign: \(-1\)
Sato-Tate group: $\mathrm{SU}(2)$

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

Coefficients of the \(q\)-expansion are expressed in terms of \(\beta = \frac{1}{2}(1 + \sqrt{73})\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + q^{2} + q^{3} + q^{4} + q^{6} - \beta q^{7} + q^{8} + q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q + q^{2} + q^{3} + q^{4} + q^{6} - \beta q^{7} + q^{8} + q^{9} - q^{11} + q^{12} + (\beta + 1) q^{13} - \beta q^{14} + q^{16} + (\beta + 2) q^{17} + q^{18} + 5 q^{19} - \beta q^{21} - q^{22} + 3 q^{23} + q^{24} + (\beta + 1) q^{26} + q^{27} - \beta q^{28} + ( - \beta + 1) q^{29} + ( - \beta - 3) q^{31} + q^{32} - q^{33} + (\beta + 2) q^{34} + q^{36} + (\beta + 4) q^{37} + 5 q^{38} + (\beta + 1) q^{39} + (\beta - 4) q^{41} - \beta q^{42} + ( - \beta + 3) q^{43} - q^{44} + 3 q^{46} + (\beta + 2) q^{47} + q^{48} + (\beta + 11) q^{49} + (\beta + 2) q^{51} + (\beta + 1) q^{52} + q^{54} - \beta q^{56} + 5 q^{57} + ( - \beta + 1) q^{58} + 3 \beta q^{59} + (2 \beta - 6) q^{61} + ( - \beta - 3) q^{62} - \beta q^{63} + q^{64} - q^{66} + ( - 2 \beta - 2) q^{67} + (\beta + 2) q^{68} + 3 q^{69} - 9 q^{71} + q^{72} + (2 \beta - 6) q^{73} + (\beta + 4) q^{74} + 5 q^{76} + \beta q^{77} + (\beta + 1) q^{78} + ( - 3 \beta + 2) q^{79} + q^{81} + (\beta - 4) q^{82} + ( - \beta + 1) q^{83} - \beta q^{84} + ( - \beta + 3) q^{86} + ( - \beta + 1) q^{87} - q^{88} + ( - \beta - 5) q^{89} + ( - 2 \beta - 18) q^{91} + 3 q^{92} + ( - \beta - 3) q^{93} + (\beta + 2) q^{94} + q^{96} - q^{97} + (\beta + 11) q^{98} - q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 2 q + 2 q^{2} + 2 q^{3} + 2 q^{4} + 2 q^{6} - q^{7} + 2 q^{8} + 2 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 2 q + 2 q^{2} + 2 q^{3} + 2 q^{4} + 2 q^{6} - q^{7} + 2 q^{8} + 2 q^{9} - 2 q^{11} + 2 q^{12} + 3 q^{13} - q^{14} + 2 q^{16} + 5 q^{17} + 2 q^{18} + 10 q^{19} - q^{21} - 2 q^{22} + 6 q^{23} + 2 q^{24} + 3 q^{26} + 2 q^{27} - q^{28} + q^{29} - 7 q^{31} + 2 q^{32} - 2 q^{33} + 5 q^{34} + 2 q^{36} + 9 q^{37} + 10 q^{38} + 3 q^{39} - 7 q^{41} - q^{42} + 5 q^{43} - 2 q^{44} + 6 q^{46} + 5 q^{47} + 2 q^{48} + 23 q^{49} + 5 q^{51} + 3 q^{52} + 2 q^{54} - q^{56} + 10 q^{57} + q^{58} + 3 q^{59} - 10 q^{61} - 7 q^{62} - q^{63} + 2 q^{64} - 2 q^{66} - 6 q^{67} + 5 q^{68} + 6 q^{69} - 18 q^{71} + 2 q^{72} - 10 q^{73} + 9 q^{74} + 10 q^{76} + q^{77} + 3 q^{78} + q^{79} + 2 q^{81} - 7 q^{82} + q^{83} - q^{84} + 5 q^{86} + q^{87} - 2 q^{88} - 11 q^{89} - 38 q^{91} + 6 q^{92} - 7 q^{93} + 5 q^{94} + 2 q^{96} - 2 q^{97} + 23 q^{98} - 2 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Embeddings

For each embedding \(\iota_m\) of the coefficient field, the values \(\iota_m(a_n)\) are shown below.

For more information on an embedded modular form you can click on its label.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1.1
4.77200
−3.77200
1.00000 1.00000 1.00000 0 1.00000 −4.77200 1.00000 1.00000 0
1.2 1.00000 1.00000 1.00000 0 1.00000 3.77200 1.00000 1.00000 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Atkin-Lehner signs

\( p \) Sign
\(2\) \(-1\)
\(3\) \(-1\)
\(5\) \(-1\)
\(11\) \(1\)

Inner twists

This newform does not admit any (nontrivial) inner twists.

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 1650.2.a.y yes 2
3.b odd 2 1 4950.2.a.bx 2
5.b even 2 1 1650.2.a.v 2
5.c odd 4 2 1650.2.c.o 4
15.d odd 2 1 4950.2.a.ce 2
15.e even 4 2 4950.2.c.bb 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
1650.2.a.v 2 5.b even 2 1
1650.2.a.y yes 2 1.a even 1 1 trivial
1650.2.c.o 4 5.c odd 4 2
4950.2.a.bx 2 3.b odd 2 1
4950.2.a.ce 2 15.d odd 2 1
4950.2.c.bb 4 15.e even 4 2

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(\Gamma_0(1650))\):

\( T_{7}^{2} + T_{7} - 18 \) Copy content Toggle raw display
\( T_{13}^{2} - 3T_{13} - 16 \) Copy content Toggle raw display
\( T_{17}^{2} - 5T_{17} - 12 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T - 1)^{2} \) Copy content Toggle raw display
$3$ \( (T - 1)^{2} \) Copy content Toggle raw display
$5$ \( T^{2} \) Copy content Toggle raw display
$7$ \( T^{2} + T - 18 \) Copy content Toggle raw display
$11$ \( (T + 1)^{2} \) Copy content Toggle raw display
$13$ \( T^{2} - 3T - 16 \) Copy content Toggle raw display
$17$ \( T^{2} - 5T - 12 \) Copy content Toggle raw display
$19$ \( (T - 5)^{2} \) Copy content Toggle raw display
$23$ \( (T - 3)^{2} \) Copy content Toggle raw display
$29$ \( T^{2} - T - 18 \) Copy content Toggle raw display
$31$ \( T^{2} + 7T - 6 \) Copy content Toggle raw display
$37$ \( T^{2} - 9T + 2 \) Copy content Toggle raw display
$41$ \( T^{2} + 7T - 6 \) Copy content Toggle raw display
$43$ \( T^{2} - 5T - 12 \) Copy content Toggle raw display
$47$ \( T^{2} - 5T - 12 \) Copy content Toggle raw display
$53$ \( T^{2} \) Copy content Toggle raw display
$59$ \( T^{2} - 3T - 162 \) Copy content Toggle raw display
$61$ \( T^{2} + 10T - 48 \) Copy content Toggle raw display
$67$ \( T^{2} + 6T - 64 \) Copy content Toggle raw display
$71$ \( (T + 9)^{2} \) Copy content Toggle raw display
$73$ \( T^{2} + 10T - 48 \) Copy content Toggle raw display
$79$ \( T^{2} - T - 164 \) Copy content Toggle raw display
$83$ \( T^{2} - T - 18 \) Copy content Toggle raw display
$89$ \( T^{2} + 11T + 12 \) Copy content Toggle raw display
$97$ \( (T + 1)^{2} \) Copy content Toggle raw display
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