Properties

Label 462.2.j.c
Level $462$
Weight $2$
Character orbit 462.j
Analytic conductor $3.689$
Analytic rank $0$
Dimension $4$
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] = [462,2,Mod(169,462)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(462, base_ring=CyclotomicField(10))
 
chi = DirichletCharacter(H, H._module([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("462.169");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 462 = 2 \cdot 3 \cdot 7 \cdot 11 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 462.j (of order \(5\), degree \(4\), 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: \(3.68908857338\)
Analytic rank: \(0\)
Dimension: \(4\)
Coefficient field: \(\Q(\zeta_{10})\)
comment: defining polynomial
 
gp: f.mod \\ as an extension of the character field
 
Defining polynomial: \( x^{4} - x^{3} + x^{2} - x + 1 \) Copy content Toggle raw display
Coefficient ring: \(\Z[a_1, a_2]\)
Coefficient ring index: \( 1 \)
Twist minimal: yes
Sato-Tate group: $\mathrm{SU}(2)[C_{5}]$

$q$-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 primitive root of unity \(\zeta_{10}\). We also show the integral \(q\)-expansion of the trace form.

\(f(q)\) \(=\) \( q + ( - \zeta_{10}^{3} + \zeta_{10}^{2} + \cdots + 1) q^{2}+ \cdots + (\zeta_{10}^{3} - \zeta_{10}^{2} + \cdots - 1) q^{9}+O(q^{10}) \) Copy content Toggle raw display \( q + ( - \zeta_{10}^{3} + \zeta_{10}^{2} + \cdots + 1) q^{2}+ \cdots + (\zeta_{10}^{3} - 2 \zeta_{10}^{2} - 2 \zeta_{10}) q^{99}+O(q^{100}) \) Copy content Toggle raw display
\(\operatorname{Tr}(f)(q)\) \(=\) \( 4 q + q^{2} - q^{3} - q^{4} + 5 q^{5} + q^{6} + q^{7} + q^{8} - q^{9}+O(q^{10}) \) Copy content Toggle raw display \( 4 q + q^{2} - q^{3} - q^{4} + 5 q^{5} + q^{6} + q^{7} + q^{8} - q^{9} + 10 q^{10} + q^{11} + 4 q^{12} - 6 q^{13} - q^{14} - q^{16} - 4 q^{17} + q^{18} - 11 q^{19} + 5 q^{20} - 4 q^{21} - q^{22} - 6 q^{23} + q^{24} + 10 q^{25} - 4 q^{26} - q^{27} + q^{28} + 4 q^{29} + 17 q^{31} - 4 q^{32} - 9 q^{33} - 26 q^{34} - 5 q^{35} - q^{36} + 10 q^{37} - 14 q^{38} - 6 q^{39} - 16 q^{41} - q^{42} + 12 q^{43} + 11 q^{44} - 10 q^{45} + 16 q^{46} - 24 q^{47} - q^{48} - q^{49} + 15 q^{50} - 9 q^{51} + 4 q^{52} + 20 q^{53} - 4 q^{54} + 4 q^{56} + 14 q^{57} - 4 q^{58} + 20 q^{59} + 5 q^{60} + 2 q^{61} + 8 q^{62} + q^{63} - q^{64} - 20 q^{65} + 4 q^{66} + 4 q^{67} - 4 q^{68} + 19 q^{69} - 16 q^{71} + q^{72} + 8 q^{73} - 10 q^{74} - 15 q^{75} - 6 q^{76} - 11 q^{77} - 4 q^{78} - 14 q^{79} - q^{81} + q^{82} - 8 q^{83} + q^{84} + 5 q^{85} - 2 q^{86} + 4 q^{87} + 9 q^{88} - 34 q^{89} - 5 q^{90} - 4 q^{91} + 19 q^{92} + 17 q^{93} - 26 q^{94} + 25 q^{95} + q^{96} - 4 q^{97} - 4 q^{98} + q^{99}+O(q^{100}) \) Copy content Toggle raw display

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/462\mathbb{Z}\right)^\times\).

\(n\) \(155\) \(199\) \(211\)
\(\chi(n)\) \(1\) \(1\) \(-\zeta_{10}^{3}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
169.1
0.809017 0.587785i
−0.309017 0.951057i
−0.309017 + 0.951057i
0.809017 + 0.587785i
0.809017 + 0.587785i 0.309017 0.951057i 0.309017 + 0.951057i 2.92705 2.12663i 0.809017 0.587785i −0.309017 0.951057i −0.309017 + 0.951057i −0.809017 0.587785i 3.61803
295.1 −0.309017 + 0.951057i −0.809017 + 0.587785i −0.809017 0.587785i −0.427051 1.31433i −0.309017 0.951057i 0.809017 + 0.587785i 0.809017 0.587785i 0.309017 0.951057i 1.38197
379.1 −0.309017 0.951057i −0.809017 0.587785i −0.809017 + 0.587785i −0.427051 + 1.31433i −0.309017 + 0.951057i 0.809017 0.587785i 0.809017 + 0.587785i 0.309017 + 0.951057i 1.38197
421.1 0.809017 0.587785i 0.309017 + 0.951057i 0.309017 0.951057i 2.92705 + 2.12663i 0.809017 + 0.587785i −0.309017 + 0.951057i −0.309017 0.951057i −0.809017 + 0.587785i 3.61803
\(n\): e.g. 2-40 or 990-1000
Significant digits:
Format:

Inner twists

Char Parity Ord Mult Type
1.a even 1 1 trivial
11.c even 5 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 462.2.j.c 4
11.c even 5 1 inner 462.2.j.c 4
11.c even 5 1 5082.2.a.bh 2
11.d odd 10 1 5082.2.a.br 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
462.2.j.c 4 1.a even 1 1 trivial
462.2.j.c 4 11.c even 5 1 inner
5082.2.a.bh 2 11.c even 5 1
5082.2.a.br 2 11.d odd 10 1

Hecke kernels

This newform subspace can be constructed as the kernel of the linear operator \( T_{5}^{4} - 5T_{5}^{3} + 10T_{5}^{2} + 25 \) acting on \(S_{2}^{\mathrm{new}}(462, [\chi])\). Copy content Toggle raw display

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} - T^{3} + T^{2} + \cdots + 1 \) Copy content Toggle raw display
$3$ \( T^{4} + T^{3} + T^{2} + \cdots + 1 \) Copy content Toggle raw display
$5$ \( T^{4} - 5 T^{3} + \cdots + 25 \) Copy content Toggle raw display
$7$ \( T^{4} - T^{3} + T^{2} + \cdots + 1 \) Copy content Toggle raw display
$11$ \( T^{4} - T^{3} + \cdots + 121 \) Copy content Toggle raw display
$13$ \( T^{4} + 6 T^{3} + \cdots + 16 \) Copy content Toggle raw display
$17$ \( T^{4} + 4 T^{3} + \cdots + 1681 \) Copy content Toggle raw display
$19$ \( T^{4} + 11 T^{3} + \cdots + 841 \) Copy content Toggle raw display
$23$ \( (T^{2} + 3 T - 59)^{2} \) Copy content Toggle raw display
$29$ \( T^{4} - 4 T^{3} + \cdots + 16 \) Copy content Toggle raw display
$31$ \( T^{4} - 17 T^{3} + \cdots + 121 \) Copy content Toggle raw display
$37$ \( T^{4} - 10 T^{3} + \cdots + 3025 \) Copy content Toggle raw display
$41$ \( T^{4} + 16 T^{3} + \cdots + 3721 \) Copy content Toggle raw display
$43$ \( (T^{2} - 6 T + 4)^{2} \) Copy content Toggle raw display
$47$ \( T^{4} + 24 T^{3} + \cdots + 15376 \) Copy content Toggle raw display
$53$ \( T^{4} - 20 T^{3} + \cdots + 6400 \) Copy content Toggle raw display
$59$ \( T^{4} - 20 T^{3} + \cdots + 6400 \) Copy content Toggle raw display
$61$ \( T^{4} - 2 T^{3} + \cdots + 1936 \) Copy content Toggle raw display
$67$ \( (T^{2} - 2 T - 4)^{2} \) Copy content Toggle raw display
$71$ \( T^{4} + 16 T^{3} + \cdots + 256 \) Copy content Toggle raw display
$73$ \( T^{4} - 8 T^{3} + \cdots + 4096 \) Copy content Toggle raw display
$79$ \( T^{4} + 14 T^{3} + \cdots + 1936 \) Copy content Toggle raw display
$83$ \( T^{4} + 8 T^{3} + \cdots + 26896 \) Copy content Toggle raw display
$89$ \( (T^{2} + 17 T + 61)^{2} \) Copy content Toggle raw display
$97$ \( T^{4} + 4 T^{3} + \cdots + 5776 \) Copy content Toggle raw display
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