Properties

Label 3800.1.cv.d
Level $3800$
Weight $1$
Character orbit 3800.cv
Analytic conductor $1.896$
Analytic rank $0$
Dimension $6$
Projective image $D_{9}$
CM discriminant -8
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(251,3800)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(3800, base_ring=CyclotomicField(18))
 
chi = DirichletCharacter(H, H._module([9, 9, 0, 2]))
 
N = Newforms(chi, 1, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("3800.251");
 
S:= CuspForms(chi, 1);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 3800 = 2^{3} \cdot 5^{2} \cdot 19 \)
Weight: \( k \) \(=\) \( 1 \)
Character orbit: \([\chi]\) \(=\) 3800.cv (of order \(18\), degree \(6\), 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: \(\Q(\zeta_{18})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{6} - x^{3} + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Projective image: \(D_{9}\)
Projective field: Galois closure of \(\mathbb{Q}[x]/(x^{9} - \cdots)\)

$q$-expansion

comment: q-expansion
 
sage: f.q_expansion() # note that sage often uses an isomorphic number field
 
gp: mfcoefs(f, 20)
 

The \(q\)-expansion and trace form are shown below.

\(f(q)\) \(=\) \( q + \zeta_{18}^{5} q^{2} + (\zeta_{18}^{3} + \zeta_{18}) q^{3} - \zeta_{18} q^{4} + (\zeta_{18}^{8} + \zeta_{18}^{6}) q^{6} - \zeta_{18}^{6} q^{8} + (\zeta_{18}^{6} + \cdots + \zeta_{18}^{2}) q^{9} +O(q^{10}) \) Copy content Toggle raw display \( q + \zeta_{18}^{5} q^{2} + (\zeta_{18}^{3} + \zeta_{18}) q^{3} - \zeta_{18} q^{4} + (\zeta_{18}^{8} + \zeta_{18}^{6}) q^{6} - \zeta_{18}^{6} q^{8} + (\zeta_{18}^{6} + \cdots + \zeta_{18}^{2}) q^{9} + \cdots + ( - \zeta_{18}^{7} + \zeta_{18}^{4} + \cdots + 2) q^{99} +O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 6 q + 3 q^{3} - 3 q^{6} + 3 q^{8} - 3 q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 6 q + 3 q^{3} - 3 q^{6} + 3 q^{8} - 3 q^{9} - 6 q^{18} + 3 q^{22} + 6 q^{24} - 3 q^{27} + 3 q^{33} - 3 q^{36} + 3 q^{38} - 3 q^{41} - 3 q^{44} + 3 q^{48} - 3 q^{49} - 6 q^{51} - 3 q^{54} - 3 q^{59} - 3 q^{64} - 3 q^{66} - 6 q^{67} + 6 q^{68} + 3 q^{72} + 3 q^{73} - 6 q^{81} + 3 q^{82} + 3 q^{97} + 12 q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

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

\(n\) \(401\) \(951\) \(1901\) \(1977\)
\(\chi(n)\) \(-\zeta_{18}\) \(-1\) \(-1\) \(1\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
251.1
−0.766044 0.642788i
−0.766044 + 0.642788i
−0.173648 + 0.984808i
−0.173648 0.984808i
0.939693 + 0.342020i
0.939693 0.342020i
0.939693 + 0.342020i −0.266044 1.50881i 0.766044 + 0.642788i 0 0.266044 1.50881i 0 0.500000 + 0.866025i −1.26604 + 0.460802i 0
651.1 0.939693 0.342020i −0.266044 + 1.50881i 0.766044 0.642788i 0 0.266044 + 1.50881i 0 0.500000 0.866025i −1.26604 0.460802i 0
1051.1 −0.766044 + 0.642788i 0.326352 + 0.118782i 0.173648 0.984808i 0 −0.326352 + 0.118782i 0 0.500000 + 0.866025i −0.673648 0.565258i 0
1251.1 −0.766044 0.642788i 0.326352 0.118782i 0.173648 + 0.984808i 0 −0.326352 0.118782i 0 0.500000 0.866025i −0.673648 + 0.565258i 0
1651.1 −0.173648 + 0.984808i 1.43969 + 1.20805i −0.939693 0.342020i 0 −1.43969 + 1.20805i 0 0.500000 0.866025i 0.439693 + 2.49362i 0
2251.1 −0.173648 0.984808i 1.43969 1.20805i −0.939693 + 0.342020i 0 −1.43969 1.20805i 0 0.500000 + 0.866025i 0.439693 2.49362i 0
\(n\): e.g. 2-40 or 990-1000
Embeddings: e.g. 1-3 or 251.1
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
8.d odd 2 1 CM by \(\Q(\sqrt{-2}) \)
19.e even 9 1 inner
152.u odd 18 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 3800.1.cv.d yes 6
5.b even 2 1 3800.1.cv.b 6
5.c odd 4 2 3800.1.cq.a 12
8.d odd 2 1 CM 3800.1.cv.d yes 6
19.e even 9 1 inner 3800.1.cv.d yes 6
40.e odd 2 1 3800.1.cv.b 6
40.k even 4 2 3800.1.cq.a 12
95.p even 18 1 3800.1.cv.b 6
95.q odd 36 2 3800.1.cq.a 12
152.u odd 18 1 inner 3800.1.cv.d yes 6
760.bz odd 18 1 3800.1.cv.b 6
760.cp even 36 2 3800.1.cq.a 12
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
3800.1.cq.a 12 5.c odd 4 2
3800.1.cq.a 12 40.k even 4 2
3800.1.cq.a 12 95.q odd 36 2
3800.1.cq.a 12 760.cp even 36 2
3800.1.cv.b 6 5.b even 2 1
3800.1.cv.b 6 40.e odd 2 1
3800.1.cv.b 6 95.p even 18 1
3800.1.cv.b 6 760.bz odd 18 1
3800.1.cv.d yes 6 1.a even 1 1 trivial
3800.1.cv.d yes 6 8.d odd 2 1 CM
3800.1.cv.d yes 6 19.e even 9 1 inner
3800.1.cv.d yes 6 152.u odd 18 1 inner

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{3}^{6} - 3T_{3}^{5} + 6T_{3}^{4} - 8T_{3}^{3} + 12T_{3}^{2} - 6T_{3} + 1 \) acting on \(S_{1}^{\mathrm{new}}(3800, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{6} - T^{3} + 1 \) Copy content Toggle raw display
$3$ \( T^{6} - 3 T^{5} + \cdots + 1 \) Copy content Toggle raw display
$5$ \( T^{6} \) Copy content Toggle raw display
$7$ \( T^{6} \) Copy content Toggle raw display
$11$ \( T^{6} + 3 T^{4} + \cdots + 1 \) Copy content Toggle raw display
$13$ \( T^{6} \) Copy content Toggle raw display
$17$ \( T^{6} - 8T^{3} + 64 \) Copy content Toggle raw display
$19$ \( T^{6} + T^{3} + 1 \) Copy content Toggle raw display
$23$ \( T^{6} \) Copy content Toggle raw display
$29$ \( T^{6} \) Copy content Toggle raw display
$31$ \( T^{6} \) Copy content Toggle raw display
$37$ \( T^{6} \) Copy content Toggle raw display
$41$ \( T^{6} + 3 T^{5} + \cdots + 1 \) Copy content Toggle raw display
$43$ \( T^{6} + T^{3} + 1 \) Copy content Toggle raw display
$47$ \( T^{6} \) Copy content Toggle raw display
$53$ \( T^{6} \) Copy content Toggle raw display
$59$ \( T^{6} + 3 T^{5} + \cdots + 1 \) Copy content Toggle raw display
$61$ \( T^{6} \) Copy content Toggle raw display
$67$ \( T^{6} + 6 T^{5} + \cdots + 1 \) Copy content Toggle raw display
$71$ \( T^{6} \) Copy content Toggle raw display
$73$ \( T^{6} - 3 T^{5} + \cdots + 1 \) Copy content Toggle raw display
$79$ \( T^{6} \) Copy content Toggle raw display
$83$ \( T^{6} + 3 T^{4} + \cdots + 1 \) Copy content Toggle raw display
$89$ \( T^{6} - T^{3} + 1 \) Copy content Toggle raw display
$97$ \( T^{6} - 3 T^{5} + \cdots + 1 \) Copy content Toggle raw display
show more
show less