Properties

Label 800.6.c.e
Level $800$
Weight $6$
Character orbit 800.c
Analytic conductor $128.307$
Analytic rank $0$
Dimension $4$
CM no
Inner twists $4$

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Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [800,6,Mod(449,800)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(800, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 1]))
 
N = Newforms(chi, 6, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("800.449");
 
S:= CuspForms(chi, 6);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 800 = 2^{5} \cdot 5^{2} \)
Weight: \( k \) \(=\) \( 6 \)
Character orbit: \([\chi]\) \(=\) 800.c (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: \(128.307055850\)
Analytic rank: \(0\)
Dimension: \(4\)
Coefficient field: \(\Q(i, \sqrt{85})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} + 43x^{2} + 441 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{13}]\)
Coefficient ring index: \( 2^{6} \)
Twist minimal: no (minimal twist has level 160)
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.

\(f(q)\) \(=\) \( q + \beta_{2} q^{3} + 3 \beta_{2} q^{7} - 97 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{2} q^{3} + 3 \beta_{2} q^{7} - 97 q^{9} + 13 \beta_{3} q^{11} - 253 \beta_1 q^{13} - 919 \beta_1 q^{17} - 56 \beta_{3} q^{19} - 1020 q^{21} + 103 \beta_{2} q^{23} + 146 \beta_{2} q^{27} + 4530 q^{29} - 99 \beta_{3} q^{31} + 4420 \beta_1 q^{33} + 169 \beta_1 q^{37} + 253 \beta_{3} q^{39} - 6330 q^{41} + 985 \beta_{2} q^{43} + 219 \beta_{2} q^{47} + 13747 q^{49} + 919 \beta_{3} q^{51} + 7743 \beta_1 q^{53} - 19040 \beta_1 q^{57} + 198 \beta_{3} q^{59} - 16750 q^{61} - 291 \beta_{2} q^{63} + 741 \beta_{2} q^{67} - 35020 q^{69} + 1173 \beta_{3} q^{71} + 10403 \beta_1 q^{73} + 13260 \beta_1 q^{77} - 1894 \beta_{3} q^{79} - 73211 q^{81} + 5765 \beta_{2} q^{83} + 4530 \beta_{2} q^{87} + 18310 q^{89} + 759 \beta_{3} q^{91} - 33660 \beta_1 q^{93} + 24989 \beta_1 q^{97} - 1261 \beta_{3} q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 388 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 4 q - 388 q^{9} - 4080 q^{21} + 18120 q^{29} - 25320 q^{41} + 54988 q^{49} - 67000 q^{61} - 140080 q^{69} - 292844 q^{81} + 73240 q^{89}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{4} + 43x^{2} + 441 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( 2\nu^{3} + 44\nu ) / 21 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 2\nu^{3} + 128\nu ) / 21 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( 8\nu^{2} + 172 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{2} - \beta_1 ) / 4 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( \beta_{3} - 172 ) / 8 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -11\beta_{2} + 32\beta_1 ) / 2 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/800\mathbb{Z}\right)^\times\).

\(n\) \(101\) \(351\) \(577\)
\(\chi(n)\) \(1\) \(1\) \(-1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
449.1
5.10977i
4.10977i
5.10977i
4.10977i
0 18.4391i 0 0 0 55.3173i 0 −97.0000 0
449.2 0 18.4391i 0 0 0 55.3173i 0 −97.0000 0
449.3 0 18.4391i 0 0 0 55.3173i 0 −97.0000 0
449.4 0 18.4391i 0 0 0 55.3173i 0 −97.0000 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
4.b odd 2 1 inner
5.b even 2 1 inner
20.d odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 800.6.c.e 4
4.b odd 2 1 inner 800.6.c.e 4
5.b even 2 1 inner 800.6.c.e 4
5.c odd 4 1 160.6.a.c 2
5.c odd 4 1 800.6.a.j 2
20.d odd 2 1 inner 800.6.c.e 4
20.e even 4 1 160.6.a.c 2
20.e even 4 1 800.6.a.j 2
40.i odd 4 1 320.6.a.u 2
40.k even 4 1 320.6.a.u 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
160.6.a.c 2 5.c odd 4 1
160.6.a.c 2 20.e even 4 1
320.6.a.u 2 40.i odd 4 1
320.6.a.u 2 40.k even 4 1
800.6.a.j 2 5.c odd 4 1
800.6.a.j 2 20.e even 4 1
800.6.c.e 4 1.a even 1 1 trivial
800.6.c.e 4 4.b odd 2 1 inner
800.6.c.e 4 5.b even 2 1 inner
800.6.c.e 4 20.d odd 2 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{6}^{\mathrm{new}}(800, [\chi])\):

\( T_{3}^{2} + 340 \) Copy content Toggle raw display
\( T_{11}^{2} - 229840 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} \) Copy content Toggle raw display
$3$ \( (T^{2} + 340)^{2} \) Copy content Toggle raw display
$5$ \( T^{4} \) Copy content Toggle raw display
$7$ \( (T^{2} + 3060)^{2} \) Copy content Toggle raw display
$11$ \( (T^{2} - 229840)^{2} \) Copy content Toggle raw display
$13$ \( (T^{2} + 256036)^{2} \) Copy content Toggle raw display
$17$ \( (T^{2} + 3378244)^{2} \) Copy content Toggle raw display
$19$ \( (T^{2} - 4264960)^{2} \) Copy content Toggle raw display
$23$ \( (T^{2} + 3607060)^{2} \) Copy content Toggle raw display
$29$ \( (T - 4530)^{4} \) Copy content Toggle raw display
$31$ \( (T^{2} - 13329360)^{2} \) Copy content Toggle raw display
$37$ \( (T^{2} + 114244)^{2} \) Copy content Toggle raw display
$41$ \( (T + 6330)^{4} \) Copy content Toggle raw display
$43$ \( (T^{2} + 329876500)^{2} \) Copy content Toggle raw display
$47$ \( (T^{2} + 16306740)^{2} \) Copy content Toggle raw display
$53$ \( (T^{2} + 239816196)^{2} \) Copy content Toggle raw display
$59$ \( (T^{2} - 53317440)^{2} \) Copy content Toggle raw display
$61$ \( (T + 16750)^{4} \) Copy content Toggle raw display
$67$ \( (T^{2} + 186687540)^{2} \) Copy content Toggle raw display
$71$ \( (T^{2} - 1871263440)^{2} \) Copy content Toggle raw display
$73$ \( (T^{2} + 432889636)^{2} \) Copy content Toggle raw display
$79$ \( (T^{2} - 4878640960)^{2} \) Copy content Toggle raw display
$83$ \( (T^{2} + 11299976500)^{2} \) Copy content Toggle raw display
$89$ \( (T - 18310)^{4} \) Copy content Toggle raw display
$97$ \( (T^{2} + 2497800484)^{2} \) Copy content Toggle raw display
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