Properties

Label 2700.2.j.g
Level $2700$
Weight $2$
Character orbit 2700.j
Analytic conductor $21.560$
Analytic rank $0$
Dimension $4$
CM no
Inner twists $4$

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Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [2700,2,Mod(593,2700)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2700, base_ring=CyclotomicField(4))
 
chi = DirichletCharacter(H, H._module([0, 2, 3]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("2700.593");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2700 = 2^{2} \cdot 3^{3} \cdot 5^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2700.j (of order \(4\), degree \(2\), 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: \(21.5596085457\)
Analytic rank: \(0\)
Dimension: \(4\)
Relative dimension: \(2\) over \(\Q(i)\)
Coefficient field: \(\Q(i, \sqrt{6})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} + 9 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{19}]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{4}]$

$q$-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.

\(f(q)\) \(=\) \( q + 2 \beta_1 q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + 2 \beta_1 q^{7} + 6 \beta_{2} q^{11} - 2 \beta_{3} q^{13} + 3 \beta_{3} q^{17} - \beta_{2} q^{19} + 3 \beta_1 q^{23} + 6 q^{29} - 5 q^{31} - 4 \beta_1 q^{37} - 6 \beta_{2} q^{41} + 6 \beta_{3} q^{43} + 6 \beta_{3} q^{47} + 5 \beta_{2} q^{49} + 3 \beta_1 q^{53} - 6 q^{59} + 5 q^{61} - 4 \beta_1 q^{67} - 6 \beta_{2} q^{71} - 2 \beta_{3} q^{73} + 12 \beta_{3} q^{77} - 5 \beta_{2} q^{79} + 9 \beta_1 q^{83} - 6 q^{89} + 12 q^{91} + 4 \beta_1 q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q+O(q^{10}) \) Copy content Toggle raw display \( 4 q + 24 q^{29} - 20 q^{31} - 24 q^{59} + 20 q^{61} - 24 q^{89} + 48 q^{91}+O(q^{100}) \) Copy content Toggle raw display

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

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( \nu^{2} ) / 3 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( \nu^{3} ) / 3 \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( 3\beta_{2} \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( 3\beta_{3} \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2700\mathbb{Z}\right)^\times\).

\(n\) \(1001\) \(1351\) \(2377\)
\(\chi(n)\) \(-1\) \(1\) \(\beta_{2}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
593.1
−1.22474 + 1.22474i
1.22474 1.22474i
−1.22474 1.22474i
1.22474 + 1.22474i
0 0 0 0 0 −2.44949 + 2.44949i 0 0 0
593.2 0 0 0 0 0 2.44949 2.44949i 0 0 0
1457.1 0 0 0 0 0 −2.44949 2.44949i 0 0 0
1457.2 0 0 0 0 0 2.44949 + 2.44949i 0 0 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
15.e even 4 2 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2700.2.j.g yes 4
3.b odd 2 1 2700.2.j.a 4
5.b even 2 1 inner 2700.2.j.g yes 4
5.c odd 4 2 2700.2.j.a 4
15.d odd 2 1 2700.2.j.a 4
15.e even 4 2 inner 2700.2.j.g yes 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
2700.2.j.a 4 3.b odd 2 1
2700.2.j.a 4 5.c odd 4 2
2700.2.j.a 4 15.d odd 2 1
2700.2.j.g yes 4 1.a even 1 1 trivial
2700.2.j.g yes 4 5.b even 2 1 inner
2700.2.j.g yes 4 15.e even 4 2 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(2700, [\chi])\):

\( T_{7}^{4} + 144 \) Copy content Toggle raw display
\( T_{11}^{2} + 36 \) Copy content Toggle raw display
\( T_{13}^{4} + 144 \) Copy content Toggle raw display
\( T_{29} - 6 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} \) Copy content Toggle raw display
$3$ \( T^{4} \) Copy content Toggle raw display
$5$ \( T^{4} \) Copy content Toggle raw display
$7$ \( T^{4} + 144 \) Copy content Toggle raw display
$11$ \( (T^{2} + 36)^{2} \) Copy content Toggle raw display
$13$ \( T^{4} + 144 \) Copy content Toggle raw display
$17$ \( T^{4} + 729 \) Copy content Toggle raw display
$19$ \( (T^{2} + 1)^{2} \) Copy content Toggle raw display
$23$ \( T^{4} + 729 \) Copy content Toggle raw display
$29$ \( (T - 6)^{4} \) Copy content Toggle raw display
$31$ \( (T + 5)^{4} \) Copy content Toggle raw display
$37$ \( T^{4} + 2304 \) Copy content Toggle raw display
$41$ \( (T^{2} + 36)^{2} \) Copy content Toggle raw display
$43$ \( T^{4} + 11664 \) Copy content Toggle raw display
$47$ \( T^{4} + 11664 \) Copy content Toggle raw display
$53$ \( T^{4} + 729 \) Copy content Toggle raw display
$59$ \( (T + 6)^{4} \) Copy content Toggle raw display
$61$ \( (T - 5)^{4} \) Copy content Toggle raw display
$67$ \( T^{4} + 2304 \) Copy content Toggle raw display
$71$ \( (T^{2} + 36)^{2} \) Copy content Toggle raw display
$73$ \( T^{4} + 144 \) Copy content Toggle raw display
$79$ \( (T^{2} + 25)^{2} \) Copy content Toggle raw display
$83$ \( T^{4} + 59049 \) Copy content Toggle raw display
$89$ \( (T + 6)^{4} \) Copy content Toggle raw display
$97$ \( T^{4} + 2304 \) Copy content Toggle raw display
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