Properties

Label 3600.2.w.a
Level $3600$
Weight $2$
Character orbit 3600.w
Analytic conductor $28.746$
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] = [3600,2,Mod(593,3600)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3600, base_ring=CyclotomicField(4))
 
chi = DirichletCharacter(H, H._module([0, 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("3600.593");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 3600 = 2^{4} \cdot 3^{2} \cdot 5^{2} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 3600.w (of order \(4\), degree \(2\), 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: \(28.7461447277\)
Analytic rank: \(0\)
Dimension: \(4\)
Relative dimension: \(2\) over \(\Q(i)\)
Coefficient field: \(\Q(\zeta_{8})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{19}]\)
Coefficient ring index: \( 2\cdot 3^{2} \)
Twist minimal: no (minimal twist has level 450)
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.

\(f(q)\) \(=\) \( q + (3 \beta_1 - 3) q^{7}+O(q^{10}) \) Copy content Toggle raw display \( q + (3 \beta_1 - 3) q^{7} - \beta_{2} q^{11} + (3 \beta_1 + 3) q^{13} + ( - \beta_{3} - \beta_{2}) q^{17} + 2 \beta_1 q^{19} + ( - \beta_{3} + \beta_{2}) q^{23} + 2 \beta_{3} q^{29} - 4 q^{31} + ( - 3 \beta_1 + 3) q^{37} - \beta_{2} q^{41} - 11 \beta_1 q^{49} + ( - \beta_{3} + \beta_{2}) q^{53} - \beta_{3} q^{59} - 10 q^{61} + ( - 6 \beta_1 + 6) q^{67} - 2 \beta_{2} q^{71} + ( - 6 \beta_1 - 6) q^{73} + (3 \beta_{3} + 3 \beta_{2}) q^{77} - 8 \beta_1 q^{79} + (2 \beta_{3} - 2 \beta_{2}) q^{83} + \beta_{3} q^{89} - 18 q^{91} + (12 \beta_1 - 12) q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q - 12 q^{7}+O(q^{10}) \) Copy content Toggle raw display \( 4 q - 12 q^{7} + 12 q^{13} - 16 q^{31} + 12 q^{37} - 40 q^{61} + 24 q^{67} - 24 q^{73} - 72 q^{91} - 48 q^{97}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring

\(\beta_{1}\)\(=\) \( \zeta_{8}^{2} \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( 3\zeta_{8}^{3} + 3\zeta_{8} \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( -3\zeta_{8}^{3} + 3\zeta_{8} \) Copy content Toggle raw display
\(\zeta_{8}\)\(=\) \( ( \beta_{3} + \beta_{2} ) / 6 \) Copy content Toggle raw display
\(\zeta_{8}^{2}\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\zeta_{8}^{3}\)\(=\) \( ( -\beta_{3} + \beta_{2} ) / 6 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/3600\mathbb{Z}\right)^\times\).

\(n\) \(577\) \(901\) \(2801\) \(3151\)
\(\chi(n)\) \(-\beta_{1}\) \(1\) \(-1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
593.1
0.707107 + 0.707107i
−0.707107 0.707107i
−0.707107 + 0.707107i
0.707107 0.707107i
0 0 0 0 0 −3.00000 + 3.00000i 0 0 0
593.2 0 0 0 0 0 −3.00000 + 3.00000i 0 0 0
1457.1 0 0 0 0 0 −3.00000 3.00000i 0 0 0
1457.2 0 0 0 0 0 −3.00000 3.00000i 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
3.b odd 2 1 inner
5.c odd 4 1 inner
15.e even 4 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 3600.2.w.a 4
3.b odd 2 1 inner 3600.2.w.a 4
4.b odd 2 1 450.2.f.c yes 4
5.b even 2 1 3600.2.w.h 4
5.c odd 4 1 inner 3600.2.w.a 4
5.c odd 4 1 3600.2.w.h 4
12.b even 2 1 450.2.f.c yes 4
15.d odd 2 1 3600.2.w.h 4
15.e even 4 1 inner 3600.2.w.a 4
15.e even 4 1 3600.2.w.h 4
20.d odd 2 1 450.2.f.a 4
20.e even 4 1 450.2.f.a 4
20.e even 4 1 450.2.f.c yes 4
60.h even 2 1 450.2.f.a 4
60.l odd 4 1 450.2.f.a 4
60.l odd 4 1 450.2.f.c yes 4
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
450.2.f.a 4 20.d odd 2 1
450.2.f.a 4 20.e even 4 1
450.2.f.a 4 60.h even 2 1
450.2.f.a 4 60.l odd 4 1
450.2.f.c yes 4 4.b odd 2 1
450.2.f.c yes 4 12.b even 2 1
450.2.f.c yes 4 20.e even 4 1
450.2.f.c yes 4 60.l odd 4 1
3600.2.w.a 4 1.a even 1 1 trivial
3600.2.w.a 4 3.b odd 2 1 inner
3600.2.w.a 4 5.c odd 4 1 inner
3600.2.w.a 4 15.e even 4 1 inner
3600.2.w.h 4 5.b even 2 1
3600.2.w.h 4 5.c odd 4 1
3600.2.w.h 4 15.d odd 2 1
3600.2.w.h 4 15.e even 4 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(3600, [\chi])\):

\( T_{7}^{2} + 6T_{7} + 18 \) Copy content Toggle raw display
\( T_{13}^{2} - 6T_{13} + 18 \) 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
$7$ \( (T^{2} + 6 T + 18)^{2} \) Copy content Toggle raw display
$11$ \( (T^{2} + 18)^{2} \) Copy content Toggle raw display
$13$ \( (T^{2} - 6 T + 18)^{2} \) Copy content Toggle raw display
$17$ \( T^{4} + 1296 \) Copy content Toggle raw display
$19$ \( (T^{2} + 4)^{2} \) Copy content Toggle raw display
$23$ \( T^{4} + 1296 \) Copy content Toggle raw display
$29$ \( (T^{2} - 72)^{2} \) Copy content Toggle raw display
$31$ \( (T + 4)^{4} \) Copy content Toggle raw display
$37$ \( (T^{2} - 6 T + 18)^{2} \) Copy content Toggle raw display
$41$ \( (T^{2} + 18)^{2} \) Copy content Toggle raw display
$43$ \( T^{4} \) Copy content Toggle raw display
$47$ \( T^{4} \) Copy content Toggle raw display
$53$ \( T^{4} + 1296 \) Copy content Toggle raw display
$59$ \( (T^{2} - 18)^{2} \) Copy content Toggle raw display
$61$ \( (T + 10)^{4} \) Copy content Toggle raw display
$67$ \( (T^{2} - 12 T + 72)^{2} \) Copy content Toggle raw display
$71$ \( (T^{2} + 72)^{2} \) Copy content Toggle raw display
$73$ \( (T^{2} + 12 T + 72)^{2} \) Copy content Toggle raw display
$79$ \( (T^{2} + 64)^{2} \) Copy content Toggle raw display
$83$ \( T^{4} + 20736 \) Copy content Toggle raw display
$89$ \( (T^{2} - 18)^{2} \) Copy content Toggle raw display
$97$ \( (T^{2} + 24 T + 288)^{2} \) Copy content Toggle raw display
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