Properties

Label 3800.1.b.c
Level $3800$
Weight $1$
Character orbit 3800.b
Analytic conductor $1.896$
Analytic rank $0$
Dimension $6$
Projective image $D_{9}$
CM discriminant -152
Inner twists $4$

Related objects

Downloads

Learn more

Show commands: Magma / PariGP / SageMath

Newspace parameters

comment: Compute space of new eigenforms
 
[N,k,chi] = [3800,1,Mod(949,3800)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3800, base_ring=CyclotomicField(2))
 
chi = DirichletCharacter(H, H._module([0, 1, 1, 1]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("3800.949");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 3800 = 2^{3} \cdot 5^{2} \cdot 19 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 3800.b (of order \(2\), degree \(1\), 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: \(1.89644704801\)
Analytic rank: \(0\)
Dimension: \(6\)
Coefficient field: 6.0.419904.1
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} + 6x^{4} + 9x^{2} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2, a_3]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{9}\)
Projective field: Galois closure of 9.1.8340544000000.1

$q$-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.

\(f(q)\) \(=\) \( q + \beta_{3} q^{2} - \beta_{5} q^{3} - q^{4} + \beta_{4} q^{6} + \beta_1 q^{7} - \beta_{3} q^{8} + (\beta_{4} - \beta_{2} - 1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + \beta_{3} q^{2} - \beta_{5} q^{3} - q^{4} + \beta_{4} q^{6} + \beta_1 q^{7} - \beta_{3} q^{8} + (\beta_{4} - \beta_{2} - 1) q^{9} + \beta_{5} q^{12} + (\beta_{5} + \beta_1) q^{13} + (\beta_{4} - \beta_{2}) q^{14} + q^{16} + ( - \beta_{5} - \beta_1) q^{17} + ( - \beta_{3} - \beta_1) q^{18} - q^{19} + (\beta_{4} - 1) q^{21} - \beta_{5} q^{23} - \beta_{4} q^{24} - \beta_{2} q^{26} + (\beta_{5} - \beta_{3}) q^{27} - \beta_1 q^{28} + \beta_{2} q^{29} + \beta_{3} q^{32} + \beta_{2} q^{34} + ( - \beta_{4} + \beta_{2} + 1) q^{36} - \beta_{3} q^{37} - \beta_{3} q^{38} + (\beta_{2} + 1) q^{39} + (\beta_{5} - \beta_{3}) q^{42} + \beta_{4} q^{46} - \beta_{3} q^{47} - \beta_{5} q^{48} + (\beta_{2} - 1) q^{49} + ( - \beta_{2} - 1) q^{51} + ( - \beta_{5} - \beta_1) q^{52} - \beta_1 q^{53} + ( - \beta_{4} + 1) q^{54} + ( - \beta_{4} + \beta_{2}) q^{56} + \beta_{5} q^{57} + (\beta_{5} + \beta_1) q^{58} - \beta_{4} q^{59} + (\beta_{5} - 2 \beta_{3}) q^{63} - q^{64} + \beta_1 q^{67} + (\beta_{5} + \beta_1) q^{68} + (\beta_{4} - \beta_{2} - 2) q^{69} + (\beta_{3} + \beta_1) q^{72} - \beta_{5} q^{73} + q^{74} + q^{76} + (\beta_{5} + \beta_{3} + \beta_1) q^{78} + ( - \beta_{4} + 1) q^{81} + ( - \beta_{4} + 1) q^{84} + ( - \beta_{5} - \beta_{3} - \beta_1) q^{87} + ( - \beta_{4} + \beta_{2} - 1) q^{91} + \beta_{5} q^{92} + q^{94} + \beta_{4} q^{96} + (\beta_{5} - \beta_{3} + \beta_1) q^{98}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q - 6 q^{4} - 6 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 6 q - 6 q^{4} - 6 q^{9} + 6 q^{16} - 6 q^{19} - 6 q^{21} + 6 q^{36} + 6 q^{39} - 6 q^{49} - 6 q^{51} + 6 q^{54} - 6 q^{64} - 12 q^{69} + 6 q^{74} + 6 q^{76} + 6 q^{81} + 6 q^{84} - 6 q^{91} + 6 q^{94}+O(q^{100}) \) Copy content Toggle raw display

Basis of coefficient ring in terms of a root \(\nu\) of \( x^{6} + 6x^{4} + 9x^{2} + 1 \) : Copy content Toggle raw display

\(\beta_{1}\)\(=\) \( \nu \) Copy content Toggle raw display
\(\beta_{2}\)\(=\) \( \nu^{2} + 2 \) Copy content Toggle raw display
\(\beta_{3}\)\(=\) \( \nu^{3} + 3\nu \) Copy content Toggle raw display
\(\beta_{4}\)\(=\) \( \nu^{4} + 4\nu^{2} + 2 \) Copy content Toggle raw display
\(\beta_{5}\)\(=\) \( \nu^{5} + 5\nu^{3} + 5\nu \) Copy content Toggle raw display
\(\nu\)\(=\) \( \beta_1 \) Copy content Toggle raw display
\(\nu^{2}\)\(=\) \( \beta_{2} - 2 \) Copy content Toggle raw display
\(\nu^{3}\)\(=\) \( \beta_{3} - 3\beta_1 \) Copy content Toggle raw display
\(\nu^{4}\)\(=\) \( \beta_{4} - 4\beta_{2} + 6 \) Copy content Toggle raw display
\(\nu^{5}\)\(=\) \( \beta_{5} - 5\beta_{3} + 10\beta_1 \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/3800\mathbb{Z}\right)^\times\).

\(n\) \(401\) \(951\) \(1901\) \(1977\)
\(\chi(n)\) \(-1\) \(1\) \(-1\) \(-1\)

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.

comment: embeddings in the coefficient field
 
gp: mfembed(f)
 
Label   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
949.1
1.53209i
1.87939i
0.347296i
0.347296i
1.87939i
1.53209i
1.00000i 1.87939i −1.00000 0 −1.87939 1.53209i 1.00000i −2.53209 0
949.2 1.00000i 0.347296i −1.00000 0 0.347296 1.87939i 1.00000i 0.879385 0
949.3 1.00000i 1.53209i −1.00000 0 1.53209 0.347296i 1.00000i −1.34730 0
949.4 1.00000i 1.53209i −1.00000 0 1.53209 0.347296i 1.00000i −1.34730 0
949.5 1.00000i 0.347296i −1.00000 0 0.347296 1.87939i 1.00000i 0.879385 0
949.6 1.00000i 1.87939i −1.00000 0 −1.87939 1.53209i 1.00000i −2.53209 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 949.6
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
152.g odd 2 1 CM by \(\Q(\sqrt{-38}) \)
5.b even 2 1 inner
760.b odd 2 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 3800.1.b.c 6
5.b even 2 1 inner 3800.1.b.c 6
5.c odd 4 1 3800.1.o.d yes 3
5.c odd 4 1 3800.1.o.f yes 3
8.b even 2 1 3800.1.b.d 6
19.b odd 2 1 3800.1.b.d 6
40.f even 2 1 3800.1.b.d 6
40.i odd 4 1 3800.1.o.c 3
40.i odd 4 1 3800.1.o.e yes 3
95.d odd 2 1 3800.1.b.d 6
95.g even 4 1 3800.1.o.c 3
95.g even 4 1 3800.1.o.e yes 3
152.g odd 2 1 CM 3800.1.b.c 6
760.b odd 2 1 inner 3800.1.b.c 6
760.t even 4 1 3800.1.o.d yes 3
760.t even 4 1 3800.1.o.f yes 3
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
3800.1.b.c 6 1.a even 1 1 trivial
3800.1.b.c 6 5.b even 2 1 inner
3800.1.b.c 6 152.g odd 2 1 CM
3800.1.b.c 6 760.b odd 2 1 inner
3800.1.b.d 6 8.b even 2 1
3800.1.b.d 6 19.b odd 2 1
3800.1.b.d 6 40.f even 2 1
3800.1.b.d 6 95.d odd 2 1
3800.1.o.c 3 40.i odd 4 1
3800.1.o.c 3 95.g even 4 1
3800.1.o.d yes 3 5.c odd 4 1
3800.1.o.d yes 3 760.t even 4 1
3800.1.o.e yes 3 40.i odd 4 1
3800.1.o.e yes 3 95.g even 4 1
3800.1.o.f yes 3 5.c odd 4 1
3800.1.o.f yes 3 760.t even 4 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{1}^{\mathrm{new}}(3800, [\chi])\):

\( T_{3}^{6} + 6T_{3}^{4} + 9T_{3}^{2} + 1 \) Copy content Toggle raw display
\( T_{29}^{3} - 3T_{29} - 1 \) Copy content Toggle raw display

Hecke characteristic polynomials

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