Properties

Label 2280.2.j.f
Level $2280$
Weight $2$
Character orbit 2280.j
Analytic conductor $18.206$
Analytic rank $0$
Dimension $6$
CM no
Inner twists $2$

Related objects

Downloads

Learn more

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [2280,2,Mod(1369,2280)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(2280, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 0, 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("2280.1369");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 2280 = 2^{3} \cdot 3 \cdot 5 \cdot 19 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2280.j (of order \(2\), degree \(1\), 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: \(18.2058916609\)
Analytic rank: \(0\)
Dimension: \(6\)
Coefficient field: 6.0.350464.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} - 2x^{5} + 2x^{4} + 2x^{3} + 4x^{2} - 4x + 2 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2 \)
Twist minimal: yes
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 \(1,\beta_1,\ldots,\beta_{5}\) for the coefficient ring described below. We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + \beta_{3} q^{3} + ( - \beta_{4} + \beta_1) q^{5} + (\beta_{4} - \beta_{3}) q^{7} - q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{3} q^{3} + ( - \beta_{4} + \beta_1) q^{5} + (\beta_{4} - \beta_{3}) q^{7} - q^{9} - \beta_1 q^{11} + (\beta_{4} - \beta_{3}) q^{13} + ( - \beta_{5} - \beta_{2}) q^{15} + (\beta_{5} + \beta_{4} + \beta_{3}) q^{17} - q^{19} + (\beta_{2} + 1) q^{21} + (\beta_{5} + 3 \beta_{4} - 3 \beta_{3}) q^{23} + ( - 2 \beta_{4} + 2 \beta_{3} + \cdots + 1) q^{25}+ \cdots + \beta_1 q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q - 6 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 6 q - 6 q^{9} + 2 q^{15} - 6 q^{19} + 4 q^{21} + 2 q^{25} + 24 q^{29} + 12 q^{35} + 4 q^{39} - 40 q^{41} + 26 q^{49} - 8 q^{51} - 16 q^{55} + 28 q^{59} - 44 q^{61} + 12 q^{65} + 12 q^{69} - 4 q^{71} - 8 q^{75} - 24 q^{79} + 6 q^{81} + 20 q^{85} + 12 q^{89} - 16 q^{91}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{6} - 2x^{5} + 2x^{4} + 2x^{3} + 4x^{2} - 4x + 2 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( -\nu^{5} + 8\nu^{4} - 4\nu^{3} - \nu^{2} + 2\nu + 38 ) / 23 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( -5\nu^{5} + 17\nu^{4} - 20\nu^{3} - 5\nu^{2} + 10\nu + 29 ) / 23 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( 7\nu^{5} - 10\nu^{4} + 5\nu^{3} + 30\nu^{2} + 32\nu - 13 ) / 23 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -11\nu^{5} + 19\nu^{4} - 21\nu^{3} - 11\nu^{2} - 70\nu + 27 ) / 23 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( -14\nu^{5} + 20\nu^{4} - 10\nu^{3} - 37\nu^{2} - 64\nu + 26 ) / 23 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{5} - \beta_{4} + \beta_{3} + \beta_{2} - \beta _1 + 1 ) / 2 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{5} + 2\beta_{3} \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( 2\beta_{5} - \beta_{4} + 2\beta_{3} - \beta_{2} + 2\beta _1 - 2 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( -\beta_{2} + 5\beta _1 - 7 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( -8\beta_{5} + 3\beta_{4} - 9\beta_{3} - 3\beta_{2} + 8\beta _1 - 9 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2280\mathbb{Z}\right)^\times\).

\(n\) \(457\) \(761\) \(1141\) \(1711\) \(1921\)
\(\chi(n)\) \(-1\) \(1\) \(1\) \(1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1369.1
1.45161 1.45161i
−0.854638 + 0.854638i
0.403032 0.403032i
1.45161 + 1.45161i
−0.854638 0.854638i
0.403032 + 0.403032i
0 1.00000i 0 −2.21432 + 0.311108i 0 0.688892i 0 −1.00000 0
1369.2 0 1.00000i 0 0.539189 + 2.17009i 0 1.17009i 0 −1.00000 0
1369.3 0 1.00000i 0 1.67513 1.48119i 0 2.48119i 0 −1.00000 0
1369.4 0 1.00000i 0 −2.21432 0.311108i 0 0.688892i 0 −1.00000 0
1369.5 0 1.00000i 0 0.539189 2.17009i 0 1.17009i 0 −1.00000 0
1369.6 0 1.00000i 0 1.67513 + 1.48119i 0 2.48119i 0 −1.00000 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1369.6
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 2280.2.j.f 6
5.b even 2 1 inner 2280.2.j.f 6
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
2280.2.j.f 6 1.a even 1 1 trivial
2280.2.j.f 6 5.b even 2 1 inner

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(2280, [\chi])\):

\( T_{7}^{6} + 8T_{7}^{4} + 12T_{7}^{2} + 4 \) Copy content Toggle raw display
\( T_{11}^{3} - 4T_{11} - 2 \) Copy content Toggle raw display
\( T_{13}^{6} + 8T_{13}^{4} + 12T_{13}^{2} + 4 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{6} \) Copy content Toggle raw display
$3$ \( (T^{2} + 1)^{3} \) Copy content Toggle raw display
$5$ \( T^{6} - T^{4} + \cdots + 125 \) Copy content Toggle raw display
$7$ \( T^{6} + 8 T^{4} + \cdots + 4 \) Copy content Toggle raw display
$11$ \( (T^{3} - 4 T - 2)^{2} \) Copy content Toggle raw display
$13$ \( T^{6} + 8 T^{4} + \cdots + 4 \) Copy content Toggle raw display
$17$ \( T^{6} + 24 T^{4} + \cdots + 400 \) Copy content Toggle raw display
$19$ \( (T + 1)^{6} \) Copy content Toggle raw display
$23$ \( T^{6} + 92 T^{4} + \cdots + 16 \) Copy content Toggle raw display
$29$ \( (T^{3} - 12 T^{2} + \cdots - 46)^{2} \) Copy content Toggle raw display
$31$ \( (T^{3} - 48 T - 20)^{2} \) Copy content Toggle raw display
$37$ \( T^{6} + 60 T^{4} + \cdots + 4 \) Copy content Toggle raw display
$41$ \( (T^{3} + 20 T^{2} + \cdots + 118)^{2} \) Copy content Toggle raw display
$43$ \( T^{6} + 180 T^{4} + \cdots + 5476 \) Copy content Toggle raw display
$47$ \( T^{6} + 92 T^{4} + \cdots + 21904 \) Copy content Toggle raw display
$53$ \( T^{6} + 248 T^{4} + \cdots + 364816 \) Copy content Toggle raw display
$59$ \( (T^{3} - 14 T^{2} + 44 T - 8)^{2} \) Copy content Toggle raw display
$61$ \( (T^{3} + 22 T^{2} + \cdots + 52)^{2} \) Copy content Toggle raw display
$67$ \( (T^{2} + 36)^{3} \) Copy content Toggle raw display
$71$ \( (T^{3} + 2 T^{2} + \cdots - 104)^{2} \) Copy content Toggle raw display
$73$ \( T^{6} + 332 T^{4} + \cdots + 1236544 \) Copy content Toggle raw display
$79$ \( (T^{3} + 12 T^{2} + \cdots - 976)^{2} \) Copy content Toggle raw display
$83$ \( T^{6} + 404 T^{4} + \cdots + 2085136 \) Copy content Toggle raw display
$89$ \( (T^{3} - 6 T^{2} + 8 T + 2)^{2} \) Copy content Toggle raw display
$97$ \( T^{6} + 128 T^{4} + \cdots + 77284 \) Copy content Toggle raw display
show more
show less