gp: [N,k,chi] = [760,2,Mod(501,760)]
mf = mfinit([N,k,chi],0)
lf = mfeigenbasis(mf)
magma: // Please install CHIMP (https://github.com/edgarcosta/CHIMP) if you want to run this code
chi := DirichletCharacter("760.501");
S:= CuspForms(chi, 2);
N := Newforms(S);
sage: from sage.modular.dirichlet import DirichletCharacter
H = DirichletGroup(760, base_ring=CyclotomicField(6))
chi = DirichletCharacter(H, H._module([0, 3, 0, 2]))
N = Newforms(chi, 2, names="a")
Newform invariants
sage: traces = [152,-4,0,-2,0,-8]
f = next(g for g in N if [g.coefficient(i+1).trace() for i in range(6)] == traces)
gp: f = lf[1] \\ Warning: the index may be different
The algebraic \(q\)-expansion of this newform has not been computed, but we have computed the trace expansion .
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.
gp: mfembed(f)
Refresh table
This newform subspace can be constructed as the kernel of the linear operator
\( T_{3}^{152} - 151 T_{3}^{150} + 11918 T_{3}^{148} - 646299 T_{3}^{146} + 26858556 T_{3}^{144} + \cdots + 13\!\cdots\!00 \)
T3^152 - 151*T3^150 + 11918*T3^148 - 646299*T3^146 + 26858556*T3^144 - 906809145*T3^142 + 25788859797*T3^140 - 633054822122*T3^138 + 13650632892815*T3^136 - 261975720469615*T3^134 + 4520283160513924*T3^132 - 70688724957223109*T3^130 + 1008385676749153316*T3^128 - 13191690425703687975*T3^126 + 158958839641479573615*T3^124 - 1770854577079384034970*T3^122 + 18295724594692037558887*T3^120 - 175766425676597226464159*T3^118 + 1573708803450046838903552*T3^116 - 13156977755667405864158393*T3^114 + 102885083890073173135652820*T3^112 - 753583771528209868548651515*T3^110 + 5176340076519353098760987443*T3^108 - 33379339321018520125423233794*T3^106 + 202245737946592200446297639488*T3^104 - 1152258574304233098192465293606*T3^102 + 6176710679110959715466899323594*T3^100 - 31168799083109078104317976182360*T3^98 + 148119616676538049682053179980326*T3^96 - 663083463332281084902715205780042*T3^94 + 2796937000256607873616100104819964*T3^92 - 11117746298926052818378523214211482*T3^90 + 41648390210683878312963800727016427*T3^88 - 147035979995467589230310682273395947*T3^86 + 489169697331189681267298238891469920*T3^84 - 1533357740315452301630064002419271797*T3^82 + 4527770012797736632938257870735511378*T3^80 - 12591069038141559722362390168191509577*T3^78 + 32963247672430961637632412827886189835*T3^76 - 81209904942789666837420945029317830396*T3^74 + 188187970820795922895312295773206086438*T3^72 - 409957858550615555623845062314247162734*T3^70 + 839031856836032014742930988542087731208*T3^68 - 1612135758438319542179373107839367336690*T3^66 + 2905781685844766160436683091382972829540*T3^64 - 4908810637550996815422422274326706748594*T3^62 + 7764463403299318099082824403845929177018*T3^60 - 11486588150093164566979327809754847426092*T3^58 + 15873993601755475180573971129585869942841*T3^56 - 20465011400049556495395598101706350541787*T3^54 + 24576628994243949181567702416752513816254*T3^52 - 27447574272142852321380375629201065077727*T3^50 + 28455738448176624973809584692924866442562*T3^48 - 27330716522199175188921443016075927108503*T3^46 + 24265379135838520567581505536931626247817*T3^44 - 19866196108687701478465685644527668278760*T3^42 + 14957301521970190645163138321117457459184*T3^40 - 10324914417804289054531809045818707399168*T3^38 + 6512372697489541527451164734543547519616*T3^36 - 3738928057116963443933241445477266293760*T3^34 + 1945431690680404227985239002535040094208*T3^32 - 912785317801489698539341341479690317824*T3^30 + 383948415199575398372140866064455315456*T3^28 - 143795001538006845106218734708683014144*T3^26 + 47556630193877090901392435906694021120*T3^24 - 13750982492906660776955419279563948032*T3^22 + 3433568127624026680021051450211172352*T3^20 - 728933491123073832025601327683862528*T3^18 + 128978362399433535461700559316189184*T3^16 - 18533714845282777796976032157270016*T3^14 + 2091156847511097451978340366811136*T3^12 - 177135774610452032625469030400000*T3^10 + 10685699628170207799823969550336*T3^8 - 412361058440179688847190261760*T3^6 + 10908360886946178041852723200*T3^4 - 146113825067152382623744000*T3^2 + 1311188067726351400960000
acting on \(S_{2}^{\mathrm{new}}(760, [\chi])\).