Properties

Label 3420.2.t.v
Level $3420$
Weight $2$
Character orbit 3420.t
Analytic conductor $27.309$
Analytic rank $0$
Dimension $6$
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] = [3420,2,Mod(1261,3420)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3420, base_ring=CyclotomicField(6))
 
chi = DirichletCharacter(H, H._module([0, 0, 0, 2]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("3420.1261");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 3420 = 2^{2} \cdot 3^{2} \cdot 5 \cdot 19 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 3420.t (of order \(3\), 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: \(27.3088374913\)
Analytic rank: \(0\)
Dimension: \(6\)
Relative dimension: \(3\) over \(\Q(\zeta_{3})\)
Coefficient field: 6.0.1783323.2
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} - x^{5} + 5x^{4} - 2x^{3} + 19x^{2} - 12x + 9 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{19}]\)
Coefficient ring index: \( 3 \)
Twist minimal: no (minimal twist has level 380)
Sato-Tate group: $\mathrm{SU}(2)[C_{3}]$

$q$-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.

\(f(q)\) \(=\) \( q + ( - \beta_{4} - 1) q^{5} + ( - \beta_{3} + 1) q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + ( - \beta_{4} - 1) q^{5} + ( - \beta_{3} + 1) q^{7} + (\beta_{3} - 2) q^{11} - \beta_{4} q^{13} + ( - \beta_{3} + \beta_{2} + 2 \beta_1) q^{17} + (\beta_{5} + \beta_{4} + \beta_{3} + \cdots - \beta_1) q^{19}+ \cdots + (5 \beta_{5} - 4 \beta_{4} - 3 \beta_{3} + \cdots - 4) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q - 3 q^{5} + 4 q^{7}+O(q^{10}) \) Copy content Toggle raw display \( 6 q - 3 q^{5} + 4 q^{7} - 10 q^{11} + 3 q^{13} - 3 q^{17} - 14 q^{23} - 3 q^{25} + 6 q^{29} + 22 q^{31} - 2 q^{35} + 4 q^{37} + 6 q^{41} + 5 q^{43} - 6 q^{47} - 6 q^{49} - 13 q^{53} + 5 q^{55} - 6 q^{59} - 7 q^{61} - 6 q^{65} - 4 q^{67} - 9 q^{71} + 18 q^{73} - 40 q^{77} - 32 q^{79} + 62 q^{83} - 3 q^{85} + 2 q^{89} + 2 q^{91} + 6 q^{95} - 11 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{6} - x^{5} + 5x^{4} - 2x^{3} + 19x^{2} - 12x + 9 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( ( -3\nu^{5} + 15\nu^{4} + 8\nu^{3} + 57\nu^{2} + 47\nu + 180 ) / 83 \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( ( 4\nu^{5} - 20\nu^{4} + 17\nu^{3} - 76\nu^{2} + 131\nu - 240 ) / 83 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( ( -5\nu^{5} + 25\nu^{4} - 42\nu^{3} + 95\nu^{2} - 60\nu + 300 ) / 83 \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( ( -20\nu^{5} + 17\nu^{4} - 85\nu^{3} - 35\nu^{2} - 323\nu - 45 ) / 249 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( ( 16\nu^{5} + 3\nu^{4} + 68\nu^{3} + 28\nu^{2} + 358\nu + 36 ) / 83 \) Copy content Toggle raw display
\(\nu\)\(=\) \( ( \beta_{3} + 2\beta_{2} + \beta_1 ) / 3 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( ( -3\beta_{5} - 9\beta_{4} + 2\beta_{3} + \beta_{2} + 2\beta _1 - 9 ) / 3 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( ( -7\beta_{3} - 5\beta_{2} + 5\beta_1 ) / 3 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( 5\beta_{5} + 12\beta_{4} - 2\beta_{3} - 4\beta_{2} - 2\beta_1 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( ( 18\beta_{5} + 9\beta_{4} + 5\beta_{3} - 23\beta_{2} - 46\beta _1 + 9 ) / 3 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/3420\mathbb{Z}\right)^\times\).

\(n\) \(1711\) \(1901\) \(2737\) \(3061\)
\(\chi(n)\) \(1\) \(1\) \(1\) \(\beta_{4}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1261.1
0.356769 0.617942i
1.09935 1.90412i
−0.956115 + 1.65604i
0.356769 + 0.617942i
1.09935 + 1.90412i
−0.956115 1.65604i
0 0 0 −0.500000 0.866025i 0 −2.20440 0 0 0
1261.2 0 0 0 −0.500000 0.866025i 0 0.635552 0 0 0
1261.3 0 0 0 −0.500000 0.866025i 0 3.56885 0 0 0
3241.1 0 0 0 −0.500000 + 0.866025i 0 −2.20440 0 0 0
3241.2 0 0 0 −0.500000 + 0.866025i 0 0.635552 0 0 0
3241.3 0 0 0 −0.500000 + 0.866025i 0 3.56885 0 0 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 1261.3
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
19.c even 3 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 3420.2.t.v 6
3.b odd 2 1 380.2.i.b 6
12.b even 2 1 1520.2.q.i 6
15.d odd 2 1 1900.2.i.c 6
15.e even 4 2 1900.2.s.c 12
19.c even 3 1 inner 3420.2.t.v 6
57.f even 6 1 7220.2.a.o 3
57.h odd 6 1 380.2.i.b 6
57.h odd 6 1 7220.2.a.n 3
228.m even 6 1 1520.2.q.i 6
285.n odd 6 1 1900.2.i.c 6
285.v even 12 2 1900.2.s.c 12
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
380.2.i.b 6 3.b odd 2 1
380.2.i.b 6 57.h odd 6 1
1520.2.q.i 6 12.b even 2 1
1520.2.q.i 6 228.m even 6 1
1900.2.i.c 6 15.d odd 2 1
1900.2.i.c 6 285.n odd 6 1
1900.2.s.c 12 15.e even 4 2
1900.2.s.c 12 285.v even 12 2
3420.2.t.v 6 1.a even 1 1 trivial
3420.2.t.v 6 19.c even 3 1 inner
7220.2.a.n 3 57.h odd 6 1
7220.2.a.o 3 57.f even 6 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(3420, [\chi])\):

\( T_{7}^{3} - 2T_{7}^{2} - 7T_{7} + 5 \) Copy content Toggle raw display
\( T_{11}^{3} + 5T_{11}^{2} - 9 \) Copy content Toggle raw display
\( T_{13}^{2} - T_{13} + 1 \) Copy content Toggle raw display
\( T_{17}^{6} + 3T_{17}^{5} + 45T_{17}^{4} + 54T_{17}^{3} + 1539T_{17}^{2} + 2916T_{17} + 6561 \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{6} \) Copy content Toggle raw display
$3$ \( T^{6} \) Copy content Toggle raw display
$5$ \( (T^{2} + T + 1)^{3} \) Copy content Toggle raw display
$7$ \( (T^{3} - 2 T^{2} - 7 T + 5)^{2} \) Copy content Toggle raw display
$11$ \( (T^{3} + 5 T^{2} - 9)^{2} \) Copy content Toggle raw display
$13$ \( (T^{2} - T + 1)^{3} \) Copy content Toggle raw display
$17$ \( T^{6} + 3 T^{5} + \cdots + 6561 \) Copy content Toggle raw display
$19$ \( T^{6} - 18 T^{4} + \cdots + 6859 \) Copy content Toggle raw display
$23$ \( T^{6} + 14 T^{5} + \cdots + 2025 \) Copy content Toggle raw display
$29$ \( T^{6} - 6 T^{5} + \cdots + 263169 \) Copy content Toggle raw display
$31$ \( (T^{3} - 11 T^{2} + \cdots + 71)^{2} \) Copy content Toggle raw display
$37$ \( (T^{3} - 2 T^{2} - 7 T + 5)^{2} \) Copy content Toggle raw display
$41$ \( T^{6} - 6 T^{5} + \cdots + 18225 \) Copy content Toggle raw display
$43$ \( T^{6} - 5 T^{5} + \cdots + 11025 \) Copy content Toggle raw display
$47$ \( T^{6} + 6 T^{5} + \cdots + 263169 \) Copy content Toggle raw display
$53$ \( T^{6} + 13 T^{5} + \cdots + 81 \) Copy content Toggle raw display
$59$ \( T^{6} + 6 T^{5} + \cdots + 263169 \) Copy content Toggle raw display
$61$ \( T^{6} + 7 T^{5} + \cdots + 3969 \) Copy content Toggle raw display
$67$ \( T^{6} + 4 T^{5} + \cdots + 28224 \) Copy content Toggle raw display
$71$ \( T^{6} + 9 T^{5} + \cdots + 729 \) Copy content Toggle raw display
$73$ \( T^{6} - 18 T^{5} + \cdots + 625 \) Copy content Toggle raw display
$79$ \( T^{6} + 32 T^{5} + \cdots + 732736 \) Copy content Toggle raw display
$83$ \( (T^{3} - 31 T^{2} + \cdots - 855)^{2} \) Copy content Toggle raw display
$89$ \( T^{6} - 2 T^{5} + \cdots + 5184 \) Copy content Toggle raw display
$97$ \( T^{6} + 11 T^{5} + \cdots + 93025 \) Copy content Toggle raw display
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