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Properties

Label 4650.2.d.bc
Level $4650$
Weight $2$
Character orbit 4650.d
Analytic conductor $37.130$
Analytic rank $0$
Dimension $4$
CM no
Inner twists $2$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [4650,2,Mod(3349,4650)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(4650, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 1, 0]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("4650.3349");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 4650 = 2 \cdot 3 \cdot 5^{2} \cdot 31 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 4650.d (of order \(2\), degree \(1\), not minimal)

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: no
Analytic conductor: \(37.1304369399\)
Analytic rank: \(0\)
Dimension: \(4\)
Coefficient field: \(\Q(i, \sqrt{17})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} + 9x^{2} + 16 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{11}]\)
Coefficient ring index: \( 1 \)
Twist minimal: no (minimal twist has level 186)
Sato-Tate group: $\mathrm{SU}(2)[C_{2}]$

$q$-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 a basis \(1,\beta_1,\beta_2,\beta_3\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q - \beta_{2} q^{2} - \beta_{2} q^{3} - q^{4} - q^{6} + 2 \beta_1 q^{7} + \beta_{2} q^{8} - q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q - \beta_{2} q^{2} - \beta_{2} q^{3} - q^{4} - q^{6} + 2 \beta_1 q^{7} + \beta_{2} q^{8} - q^{9} + (\beta_{3} - 1) q^{11} + \beta_{2} q^{12} + (2 \beta_{2} + \beta_1) q^{13} + (2 \beta_{3} - 2) q^{14} + q^{16} + (2 \beta_{2} + 3 \beta_1) q^{17} + \beta_{2} q^{18} + ( - \beta_{3} + 1) q^{19} + (2 \beta_{3} - 2) q^{21} - \beta_1 q^{22} - 8 \beta_{2} q^{23} + q^{24} + (\beta_{3} + 1) q^{26} + \beta_{2} q^{27} - 2 \beta_1 q^{28} + ( - 2 \beta_{3} + 4) q^{29} - q^{31} - \beta_{2} q^{32} - \beta_1 q^{33} + (3 \beta_{3} - 1) q^{34} + q^{36} + (2 \beta_{2} + 4 \beta_1) q^{37} + \beta_1 q^{38} + (\beta_{3} + 1) q^{39} + ( - 4 \beta_{3} - 2) q^{41} - 2 \beta_1 q^{42} + ( - 4 \beta_{2} + 2 \beta_1) q^{43} + ( - \beta_{3} + 1) q^{44} - 8 q^{46} + ( - 4 \beta_{2} - 3 \beta_1) q^{47} - \beta_{2} q^{48} + (4 \beta_{3} - 13) q^{49} + (3 \beta_{3} - 1) q^{51} + ( - 2 \beta_{2} - \beta_1) q^{52} - 2 \beta_{2} q^{53} + q^{54} + ( - 2 \beta_{3} + 2) q^{56} + \beta_1 q^{57} + ( - 2 \beta_{2} + 2 \beta_1) q^{58} + ( - 2 \beta_{3} - 2) q^{59} + (\beta_{3} + 1) q^{61} + \beta_{2} q^{62} - 2 \beta_1 q^{63} - q^{64} + ( - \beta_{3} + 1) q^{66} + ( - 8 \beta_{2} - 3 \beta_1) q^{67} + ( - 2 \beta_{2} - 3 \beta_1) q^{68} - 8 q^{69} + ( - \beta_{3} - 3) q^{71} - \beta_{2} q^{72} + 10 \beta_{2} q^{73} + (4 \beta_{3} - 2) q^{74} + (\beta_{3} - 1) q^{76} + (8 \beta_{2} - 2 \beta_1) q^{77} + ( - 2 \beta_{2} - \beta_1) q^{78} + ( - 3 \beta_{3} - 1) q^{79} + q^{81} + (6 \beta_{2} + 4 \beta_1) q^{82} - 5 \beta_1 q^{83} + ( - 2 \beta_{3} + 2) q^{84} + (2 \beta_{3} - 6) q^{86} + ( - 2 \beta_{2} + 2 \beta_1) q^{87} + \beta_1 q^{88} + ( - 4 \beta_{3} - 6) q^{89} + ( - 2 \beta_{3} - 6) q^{91} + 8 \beta_{2} q^{92} + \beta_{2} q^{93} + ( - 3 \beta_{3} - 1) q^{94} - q^{96} + (2 \beta_{2} - 5 \beta_1) q^{97} + (9 \beta_{2} - 4 \beta_1) q^{98} + ( - \beta_{3} + 1) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 4 q^{4} - 4 q^{6} - 4 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 4 q - 4 q^{4} - 4 q^{6} - 4 q^{9} - 2 q^{11} - 4 q^{14} + 4 q^{16} + 2 q^{19} - 4 q^{21} + 4 q^{24} + 6 q^{26} + 12 q^{29} - 4 q^{31} + 2 q^{34} + 4 q^{36} + 6 q^{39} - 16 q^{41} + 2 q^{44} - 32 q^{46} - 44 q^{49} + 2 q^{51} + 4 q^{54} + 4 q^{56} - 12 q^{59} + 6 q^{61} - 4 q^{64} + 2 q^{66} - 32 q^{69} - 14 q^{71} - 2 q^{76} - 10 q^{79} + 4 q^{81} + 4 q^{84} - 20 q^{86} - 32 q^{89} - 28 q^{91} - 10 q^{94} - 4 q^{96} + 2 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Display 100 coefficients 10 coefficients

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{4} + 9x^{2} + 16 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{3} + 5\nu ) / 4 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( \nu^{2} + 5 \) Copy content Toggle raw display

Display \(\nu^j\) in terms of \(\beta_i\)

\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{3} - 5 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( 4\beta_{2} - 5\beta_1 \) Copy content Toggle raw display

Display \(\beta_i\) in terms of \(\nu^j\)

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/4650\mathbb{Z}\right)^\times\).

\(n\) \(1801\) \(2977\) \(3101\)
\(\chi(n)\) \(1\) \(-1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
3349.1
− 2.56155i
1.56155i
− 1.56155i
2.56155i
− 1.00000i − 1.00000i −1.00000 0 −1.00000 − 5.12311i 1.00000i −1.00000 0
3349.2 − 1.00000i − 1.00000i −1.00000 0 −1.00000 3.12311i 1.00000i −1.00000 0
3349.3 1.00000i 1.00000i −1.00000 0 −1.00000 − 3.12311i − 1.00000i −1.00000 0
3349.4 1.00000i 1.00000i −1.00000 0 −1.00000 5.12311i − 1.00000i −1.00000 0
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
5.b even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 4650.2.d.bc 4
5.b even 2 1 inner 4650.2.d.bc 4
5.c odd 4 1 186.2.a.d ✓ 2
5.c odd 4 1 4650.2.a.cd 2
15.e even 4 1 558.2.a.i 2
20.e even 4 1 1488.2.a.r 2
35.f even 4 1 9114.2.a.be 2
40.i odd 4 1 5952.2.a.bs 2
40.k even 4 1 5952.2.a.bk 2
60.l odd 4 1 4464.2.a.bb 2
155.f even 4 1 5766.2.a.v 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
186.2.a.d ✓ 2 5.c odd 4 1
558.2.a.i 2 15.e even 4 1
1488.2.a.r 2 20.e even 4 1
4464.2.a.bb 2 60.l odd 4 1
4650.2.a.cd 2 5.c odd 4 1
4650.2.d.bc 4 1.a even 1 1 trivial
4650.2.d.bc 4 5.b even 2 1 inner
5766.2.a.v 2 155.f even 4 1
5952.2.a.bk 2 40.k even 4 1
5952.2.a.bs 2 40.i odd 4 1
9114.2.a.be 2 35.f even 4 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(4650, [\chi])\):

\( T_{7}^{4} + 36T_{7}^{2} + 256 \) Copy content Toggle raw display
\( T_{11}^{2} + T_{11} - 4 \) Copy content Toggle raw display
\( T_{13}^{4} + 13T_{13}^{2} + 4 \) Copy content Toggle raw display
\( T_{17}^{4} + 77T_{17}^{2} + 1444 \) Copy content Toggle raw display
\( T_{19}^{2} - T_{19} - 4 \) Copy content Toggle raw display
\( T_{29}^{2} - 6T_{29} - 8 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( (T^{2} + 1)^{2} \) Copy content Toggle raw display
$3$ \( (T^{2} + 1)^{2} \) Copy content Toggle raw display
$5$ \( T^{4} \) Copy content Toggle raw display
$7$ \( T^{4} + 36T^{2} + 256 \) Copy content Toggle raw display
$11$ \( (T^{2} + T - 4)^{2} \) Copy content Toggle raw display
$13$ \( T^{4} + 13T^{2} + 4 \) Copy content Toggle raw display
$17$ \( T^{4} + 77T^{2} + 1444 \) Copy content Toggle raw display
$19$ \( (T^{2} - T - 4)^{2} \) Copy content Toggle raw display
$23$ \( (T^{2} + 64)^{2} \) Copy content Toggle raw display
$29$ \( (T^{2} - 6 T - 8)^{2} \) Copy content Toggle raw display
$31$ \( (T + 1)^{4} \) Copy content Toggle raw display
$37$ \( (T^{2} + 68)^{2} \) Copy content Toggle raw display
$41$ \( (T^{2} + 8 T - 52)^{2} \) Copy content Toggle raw display
$43$ \( T^{4} + 84T^{2} + 64 \) Copy content Toggle raw display
$47$ \( T^{4} + 89T^{2} + 1024 \) Copy content Toggle raw display
$53$ \( (T^{2} + 4)^{2} \) Copy content Toggle raw display
$59$ \( (T^{2} + 6 T - 8)^{2} \) Copy content Toggle raw display
$61$ \( (T^{2} - 3 T - 2)^{2} \) Copy content Toggle raw display
$67$ \( T^{4} + 161T^{2} + 16 \) Copy content Toggle raw display
$71$ \( (T^{2} + 7 T + 8)^{2} \) Copy content Toggle raw display
$73$ \( (T^{2} + 100)^{2} \) Copy content Toggle raw display
$79$ \( (T^{2} + 5 T - 32)^{2} \) Copy content Toggle raw display
$83$ \( T^{4} + 225 T^{2} + 10000 \) Copy content Toggle raw display
$89$ \( (T^{2} + 16 T - 4)^{2} \) Copy content Toggle raw display
$97$ \( T^{4} + 253T^{2} + 7396 \) Copy content Toggle raw display
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