Properties

Label 2100.2.f.e
Level $2100$
Weight $2$
Character orbit 2100.f
Analytic conductor $16.769$
Analytic rank $0$
Dimension $4$
CM discriminant -3
Inner twists $8$

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Newspace parameters

Copy content comment:Compute space of new eigenforms
 
Copy content gp:[N,k,chi] = [2100,2,Mod(1049,2100)] mf = mfinit([N,k,chi],0) lf = mfeigenbasis(mf)
 
Copy content magma://Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code chi := DirichletCharacter("2100.1049"); S:= CuspForms(chi, 2); N := Newforms(S);
 
Copy content sage:from sage.modular.dirichlet import DirichletCharacter H = DirichletGroup(2100, base_ring=CyclotomicField(2)) chi = DirichletCharacter(H, H._module([0, 1, 1, 1])) N = Newforms(chi, 2, names="a")
 
Level: \( N \) \(=\) \( 2100 = 2^{2} \cdot 3 \cdot 5^{2} \cdot 7 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 2100.f (of order \(2\), degree \(1\), not minimal)

Newform invariants

Copy content comment:select newform
 
Copy content sage:traces = [4,0,0,0,0,0,0,0,12,0,0,0,0,0,0,0,0,0,0,0,-12] f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(21)] == traces)
 
Copy content gp:f = lf[1] \\ Warning: the index may be different
 
Self dual: no
Analytic conductor: \(16.7685844245\)
Analytic rank: \(0\)
Dimension: \(4\)
Coefficient field: \(\Q(\zeta_{12})\)
Copy content comment:defining polynomial
 
Copy content gp:f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - x^{2} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, \ldots, a_{7}]\)
Coefficient ring index: \( 2^{4} \)
Twist minimal: no (minimal twist has level 84)
Sato-Tate group: $\mathrm{U}(1)[D_{2}]$

$q$-expansion

Copy content comment:q-expansion
 
Copy content sage:f.q_expansion() # note that sage often uses an isomorphic number field
 
Copy content 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.

\(f(q)\) \(=\) \( q + \beta_1 q^{3} + ( - \beta_{3} - \beta_1) q^{7} + 3 q^{9} - 4 \beta_1 q^{13} - \beta_{2} q^{19} + ( - \beta_{2} - 3) q^{21} + 3 \beta_1 q^{27} - 3 \beta_{2} q^{31} - 5 \beta_{3} q^{37} - 12 q^{39} - 4 \beta_{3} q^{43}+ \cdots - 8 \beta_1 q^{97}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q + 12 q^{9} - 12 q^{21} - 48 q^{39} - 4 q^{49} + 16 q^{79} + 36 q^{81} + 48 q^{91}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring

\(\beta_{1}\)\(=\) \( -\zeta_{12}^{3} + 2\zeta_{12} \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( 4\zeta_{12}^{2} - 2 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( 2\zeta_{12}^{3} \) Copy content Toggle raw display
\(\zeta_{12}\)\(=\) \( ( \beta_{3} + 2\beta_1 ) / 4 \) Copy content Toggle raw display
\(\zeta_{12}^{2}\)\(=\) \( ( \beta_{2} + 2 ) / 4 \) Copy content Toggle raw display
\(\zeta_{12}^{3}\)\(=\) \( ( \beta_{3} ) / 2 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/2100\mathbb{Z}\right)^\times\).

\(n\) \(701\) \(1051\) \(1177\) \(1501\)
\(\chi(n)\) \(-1\) \(1\) \(-1\) \(-1\)

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.

Copy content comment:embeddings in the coefficient field
 
Copy content gp:mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
1049.1
−0.866025 + 0.500000i
−0.866025 0.500000i
0.866025 + 0.500000i
0.866025 0.500000i
0 −1.73205 0 0 0 1.73205 2.00000i 0 3.00000 0
1049.2 0 −1.73205 0 0 0 1.73205 + 2.00000i 0 3.00000 0
1049.3 0 1.73205 0 0 0 −1.73205 2.00000i 0 3.00000 0
1049.4 0 1.73205 0 0 0 −1.73205 + 2.00000i 0 3.00000 0
\(n\): e.g. 2-40 or 80-90
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
3.b odd 2 1 CM by \(\Q(\sqrt{-3}) \)
5.b even 2 1 inner
7.b odd 2 1 inner
15.d odd 2 1 inner
21.c even 2 1 inner
35.c odd 2 1 inner
105.g even 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 2100.2.f.e 4
3.b odd 2 1 CM 2100.2.f.e 4
5.b even 2 1 inner 2100.2.f.e 4
5.c odd 4 1 84.2.f.a 2
5.c odd 4 1 2100.2.d.b 2
7.b odd 2 1 inner 2100.2.f.e 4
15.d odd 2 1 inner 2100.2.f.e 4
15.e even 4 1 84.2.f.a 2
15.e even 4 1 2100.2.d.b 2
20.e even 4 1 336.2.k.a 2
21.c even 2 1 inner 2100.2.f.e 4
35.c odd 2 1 inner 2100.2.f.e 4
35.f even 4 1 84.2.f.a 2
35.f even 4 1 2100.2.d.b 2
35.k even 12 1 588.2.k.a 2
35.k even 12 1 588.2.k.e 2
35.l odd 12 1 588.2.k.a 2
35.l odd 12 1 588.2.k.e 2
40.i odd 4 1 1344.2.k.b 2
40.k even 4 1 1344.2.k.a 2
45.k odd 12 1 2268.2.x.c 2
45.k odd 12 1 2268.2.x.e 2
45.l even 12 1 2268.2.x.c 2
45.l even 12 1 2268.2.x.e 2
60.l odd 4 1 336.2.k.a 2
105.g even 2 1 inner 2100.2.f.e 4
105.k odd 4 1 84.2.f.a 2
105.k odd 4 1 2100.2.d.b 2
105.w odd 12 1 588.2.k.a 2
105.w odd 12 1 588.2.k.e 2
105.x even 12 1 588.2.k.a 2
105.x even 12 1 588.2.k.e 2
120.q odd 4 1 1344.2.k.a 2
120.w even 4 1 1344.2.k.b 2
140.j odd 4 1 336.2.k.a 2
280.s even 4 1 1344.2.k.b 2
280.y odd 4 1 1344.2.k.a 2
315.cb even 12 1 2268.2.x.c 2
315.cb even 12 1 2268.2.x.e 2
315.cf odd 12 1 2268.2.x.c 2
315.cf odd 12 1 2268.2.x.e 2
420.w even 4 1 336.2.k.a 2
840.bm even 4 1 1344.2.k.a 2
840.bp odd 4 1 1344.2.k.b 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
84.2.f.a 2 5.c odd 4 1
84.2.f.a 2 15.e even 4 1
84.2.f.a 2 35.f even 4 1
84.2.f.a 2 105.k odd 4 1
336.2.k.a 2 20.e even 4 1
336.2.k.a 2 60.l odd 4 1
336.2.k.a 2 140.j odd 4 1
336.2.k.a 2 420.w even 4 1
588.2.k.a 2 35.k even 12 1
588.2.k.a 2 35.l odd 12 1
588.2.k.a 2 105.w odd 12 1
588.2.k.a 2 105.x even 12 1
588.2.k.e 2 35.k even 12 1
588.2.k.e 2 35.l odd 12 1
588.2.k.e 2 105.w odd 12 1
588.2.k.e 2 105.x even 12 1
1344.2.k.a 2 40.k even 4 1
1344.2.k.a 2 120.q odd 4 1
1344.2.k.a 2 280.y odd 4 1
1344.2.k.a 2 840.bm even 4 1
1344.2.k.b 2 40.i odd 4 1
1344.2.k.b 2 120.w even 4 1
1344.2.k.b 2 280.s even 4 1
1344.2.k.b 2 840.bp odd 4 1
2100.2.d.b 2 5.c odd 4 1
2100.2.d.b 2 15.e even 4 1
2100.2.d.b 2 35.f even 4 1
2100.2.d.b 2 105.k odd 4 1
2100.2.f.e 4 1.a even 1 1 trivial
2100.2.f.e 4 3.b odd 2 1 CM
2100.2.f.e 4 5.b even 2 1 inner
2100.2.f.e 4 7.b odd 2 1 inner
2100.2.f.e 4 15.d odd 2 1 inner
2100.2.f.e 4 21.c even 2 1 inner
2100.2.f.e 4 35.c odd 2 1 inner
2100.2.f.e 4 105.g even 2 1 inner
2268.2.x.c 2 45.k odd 12 1
2268.2.x.c 2 45.l even 12 1
2268.2.x.c 2 315.cb even 12 1
2268.2.x.c 2 315.cf odd 12 1
2268.2.x.e 2 45.k odd 12 1
2268.2.x.e 2 45.l even 12 1
2268.2.x.e 2 315.cb even 12 1
2268.2.x.e 2 315.cf odd 12 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(2100, [\chi])\):

\( T_{11} \) Copy content Toggle raw display
\( T_{13}^{2} - 48 \) Copy content Toggle raw display
\( T_{23} \) Copy content Toggle raw display
\( T_{41} \) Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} \) Copy content Toggle raw display
$3$ \( (T^{2} - 3)^{2} \) Copy content Toggle raw display
$5$ \( T^{4} \) Copy content Toggle raw display
$7$ \( T^{4} + 2T^{2} + 49 \) Copy content Toggle raw display
$11$ \( T^{4} \) Copy content Toggle raw display
$13$ \( (T^{2} - 48)^{2} \) Copy content Toggle raw display
$17$ \( T^{4} \) Copy content Toggle raw display
$19$ \( (T^{2} + 12)^{2} \) Copy content Toggle raw display
$23$ \( T^{4} \) Copy content Toggle raw display
$29$ \( T^{4} \) Copy content Toggle raw display
$31$ \( (T^{2} + 108)^{2} \) Copy content Toggle raw display
$37$ \( (T^{2} + 100)^{2} \) Copy content Toggle raw display
$41$ \( T^{4} \) Copy content Toggle raw display
$43$ \( (T^{2} + 64)^{2} \) Copy content Toggle raw display
$47$ \( T^{4} \) Copy content Toggle raw display
$53$ \( T^{4} \) Copy content Toggle raw display
$59$ \( T^{4} \) Copy content Toggle raw display
$61$ \( (T^{2} + 48)^{2} \) Copy content Toggle raw display
$67$ \( (T^{2} + 256)^{2} \) Copy content Toggle raw display
$71$ \( T^{4} \) Copy content Toggle raw display
$73$ \( (T^{2} - 192)^{2} \) Copy content Toggle raw display
$79$ \( (T - 4)^{4} \) Copy content Toggle raw display
$83$ \( T^{4} \) Copy content Toggle raw display
$89$ \( T^{4} \) Copy content Toggle raw display
$97$ \( (T^{2} - 192)^{2} \) Copy content Toggle raw display
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