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Properties

Label 625.2.d.c
Level $625$
Weight $2$
Character orbit 625.d
Analytic conductor $4.991$
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] = [625,2,Mod(126,625)]
 
mf = mfinit([N,k,chi],0)
 
lf = mfeigenbasis(mf)
 
from sage.modular.dirichlet import DirichletCharacter
 
H = DirichletGroup(625, base_ring=CyclotomicField(10))
 
chi = DirichletCharacter(H, H._module([4]))
 
N = Newforms(chi, 2, names="a")
 
//Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
 
chi := DirichletCharacter("625.126");
 
S:= CuspForms(chi, 2);
 
N := Newforms(S);
 
Level: \( N \) \(=\) \( 625 = 5^{4} \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 625.d (of order \(5\), degree \(4\), 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: \(4.99065012633\)
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.

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

Display 100 coefficients 10 coefficients

Character values

We give the values of \(\chi\) on generators for \(\left(\mathbb{Z}/625\mathbb{Z}\right)^\times\).

\(n\) \(2\)
\(\chi(n)\) \(-\zeta_{10}^{3}\)

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   \(\iota_m(\nu)\) \( a_{2} \) \( a_{3} \) \( a_{4} \) \( a_{5} \) \( a_{6} \) \( a_{7} \) \( a_{8} \) \( a_{9} \) \( a_{10} \)
126.1
−0.309017 + 0.951057i
0.809017 + 0.587785i
0.809017 − 0.587785i
−0.309017 − 0.951057i
−0.190983 − 0.587785i −0.309017 + 0.224514i 1.30902 − 0.951057i 0 0.190983 + 0.138757i −2.85410 −1.80902 − 1.31433i −0.881966 + 2.71441i 0
251.1 −1.30902 + 0.951057i 0.809017 − 2.48990i 0.190983 − 0.587785i 0 1.30902 + 4.02874i 3.85410 −0.690983 − 2.12663i −3.11803 − 2.26538i 0
376.1 −1.30902 − 0.951057i 0.809017 + 2.48990i 0.190983 + 0.587785i 0 1.30902 − 4.02874i 3.85410 −0.690983 + 2.12663i −3.11803 + 2.26538i 0
501.1 −0.190983 + 0.587785i −0.309017 − 0.224514i 1.30902 + 0.951057i 0 0.190983 − 0.138757i −2.85410 −1.80902 + 1.31433i −0.881966 − 2.71441i 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
25.d even 5 1 inner

Twists

       By twisting character orbit
Char Parity Ord Mult Type Twist Min Dim
1.a even 1 1 trivial 625.2.d.c 4
5.b even 2 1 625.2.d.i 4
5.c odd 4 2 625.2.e.e 8
25.d even 5 1 625.2.a.d yes 2
25.d even 5 1 inner 625.2.d.c 4
25.d even 5 2 625.2.d.f 4
25.e even 10 1 625.2.a.a ✓ 2
25.e even 10 2 625.2.d.e 4
25.e even 10 1 625.2.d.i 4
25.f odd 20 2 625.2.b.b 4
25.f odd 20 2 625.2.e.e 8
25.f odd 20 4 625.2.e.f 8
75.h odd 10 1 5625.2.a.e 2
75.j odd 10 1 5625.2.a.c 2
100.h odd 10 1 10000.2.a.m 2
100.j odd 10 1 10000.2.a.b 2
    
        By twisted newform orbit
Twist Min Dim Char Parity Ord Mult Type
625.2.a.a ✓ 2 25.e even 10 1
625.2.a.d yes 2 25.d even 5 1
625.2.b.b 4 25.f odd 20 2
625.2.d.c 4 1.a even 1 1 trivial
625.2.d.c 4 25.d even 5 1 inner
625.2.d.e 4 25.e even 10 2
625.2.d.f 4 25.d even 5 2
625.2.d.i 4 5.b even 2 1
625.2.d.i 4 25.e even 10 1
625.2.e.e 8 5.c odd 4 2
625.2.e.e 8 25.f odd 20 2
625.2.e.f 8 25.f odd 20 4
5625.2.a.c 2 75.j odd 10 1
5625.2.a.e 2 75.h odd 10 1
10000.2.a.b 2 100.j odd 10 1
10000.2.a.m 2 100.h odd 10 1

Hecke kernels

This newform subspace can be constructed as the intersection of the kernels of the following linear operators acting on \(S_{2}^{\mathrm{new}}(625, [\chi])\):

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

Hecke characteristic polynomials

$p$ $F_p(T)$
$2$ \( T^{4} + 3 T^{3} + \cdots + 1 \) Copy content Toggle raw display
$3$ \( T^{4} - T^{3} + 6 T^{2} + \cdots + 1 \) Copy content Toggle raw display
$5$ \( T^{4} \) Copy content Toggle raw display
$7$ \( (T^{2} - T - 11)^{2} \) Copy content Toggle raw display
$11$ \( T^{4} + 2 T^{3} + \cdots + 1 \) Copy content Toggle raw display
$13$ \( T^{4} - 11 T^{3} + \cdots + 361 \) Copy content Toggle raw display
$17$ \( T^{4} + 13 T^{3} + \cdots + 121 \) Copy content Toggle raw display
$19$ \( T^{4} + 10 T^{3} + \cdots + 25 \) Copy content Toggle raw display
$23$ \( T^{4} - 6 T^{3} + \cdots + 81 \) Copy content Toggle raw display
$29$ \( T^{4} - 10 T^{3} + \cdots + 400 \) Copy content Toggle raw display
$31$ \( T^{4} + 2 T^{3} + \cdots + 16 \) Copy content Toggle raw display
$37$ \( T^{4} + 3 T^{3} + \cdots + 81 \) Copy content Toggle raw display
$41$ \( T^{4} + 12 T^{3} + \cdots + 256 \) Copy content Toggle raw display
$43$ \( (T^{2} - 8 T - 4)^{2} \) Copy content Toggle raw display
$47$ \( T^{4} + 8 T^{3} + \cdots + 11881 \) Copy content Toggle raw display
$53$ \( T^{4} - 6 T^{3} + \cdots + 16 \) Copy content Toggle raw display
$59$ \( T^{4} - 25 T^{3} + \cdots + 3025 \) Copy content Toggle raw display
$61$ \( T^{4} - 13 T^{3} + \cdots + 361 \) Copy content Toggle raw display
$67$ \( T^{4} + 3 T^{3} + \cdots + 841 \) Copy content Toggle raw display
$71$ \( T^{4} + 22 T^{3} + \cdots + 1681 \) Copy content Toggle raw display
$73$ \( T^{4} + 4 T^{3} + \cdots + 1 \) Copy content Toggle raw display
$79$ \( T^{4} + 15 T^{3} + \cdots + 2025 \) Copy content Toggle raw display
$83$ \( T^{4} - 16 T^{3} + \cdots + 4096 \) Copy content Toggle raw display
$89$ \( T^{4} + 5 T^{3} + \cdots + 25 \) Copy content Toggle raw display
$97$ \( T^{4} - 7 T^{3} + \cdots + 7921 \) Copy content Toggle raw display
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