Properties

 Label 756.2.w Level 756 Weight 2 Character orbit w Rep. character $$\chi_{756}(341,\cdot)$$ Character field $$\Q(\zeta_{6})$$ Dimension 16 Newform subspaces 1 Sturm bound 288 Trace bound 0

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Defining parameters

 Level: $$N$$ = $$756 = 2^{2} \cdot 3^{3} \cdot 7$$ Weight: $$k$$ = $$2$$ Character orbit: $$[\chi]$$ = 756.w (of order $$6$$ and degree $$2$$) Character conductor: $$\operatorname{cond}(\chi)$$ = $$63$$ Character field: $$\Q(\zeta_{6})$$ Newform subspaces: $$1$$ Sturm bound: $$288$$ Trace bound: $$0$$

Dimensions

The following table gives the dimensions of various subspaces of $$M_{2}(756, [\chi])$$.

Total New Old
Modular forms 324 16 308
Cusp forms 252 16 236
Eisenstein series 72 0 72

Trace form

 $$16q - q^{7} + O(q^{10})$$ $$16q - q^{7} + 6q^{11} - 3q^{13} - 9q^{17} - 21q^{23} - 8q^{25} - 6q^{29} + 15q^{35} + q^{37} + 6q^{41} - 2q^{43} + 36q^{47} - 5q^{49} + 30q^{59} + 14q^{67} - 3q^{77} + 2q^{79} + 6q^{85} - 21q^{89} + 9q^{91} - 3q^{97} + O(q^{100})$$

Decomposition of $$S_{2}^{\mathrm{new}}(756, [\chi])$$ into newform subspaces

Label Dim. $$A$$ Field CM Traces $q$-expansion
$$a_2$$ $$a_3$$ $$a_5$$ $$a_7$$
756.2.w.a $$16$$ $$6.037$$ $$\mathbb{Q}[x]/(x^{16} - \cdots)$$ None $$0$$ $$0$$ $$0$$ $$-1$$ $$q+\beta _{9}q^{5}+(\beta _{4}-\beta _{10})q^{7}-\beta _{15}q^{11}+\cdots$$

Decomposition of $$S_{2}^{\mathrm{old}}(756, [\chi])$$ into lower level spaces

$$S_{2}^{\mathrm{old}}(756, [\chi]) \cong$$ $$S_{2}^{\mathrm{new}}(63, [\chi])$$$$^{\oplus 6}$$$$\oplus$$$$S_{2}^{\mathrm{new}}(126, [\chi])$$$$^{\oplus 4}$$$$\oplus$$$$S_{2}^{\mathrm{new}}(189, [\chi])$$$$^{\oplus 3}$$$$\oplus$$$$S_{2}^{\mathrm{new}}(252, [\chi])$$$$^{\oplus 2}$$$$\oplus$$$$S_{2}^{\mathrm{new}}(378, [\chi])$$$$^{\oplus 2}$$

Hecke Characteristic Polynomials

$p$ $F_p(T)$
$2$ 1
$3$ 1
$5$ $$1 - 16 T^{2} + 24 T^{3} + 105 T^{4} - 357 T^{5} - 80 T^{6} + 2232 T^{7} - 2857 T^{8} - 6027 T^{9} + 16041 T^{10} - 777 T^{11} - 31496 T^{12} + 32724 T^{13} + 43664 T^{14} - 15327 T^{15} - 229716 T^{16} - 76635 T^{17} + 1091600 T^{18} + 4090500 T^{19} - 19685000 T^{20} - 2428125 T^{21} + 250640625 T^{22} - 470859375 T^{23} - 1116015625 T^{24} + 4359375000 T^{25} - 781250000 T^{26} - 17431640625 T^{27} + 25634765625 T^{28} + 29296875000 T^{29} - 97656250000 T^{30} + 152587890625 T^{32}$$
$7$ $$1 + T + 3 T^{2} - 7 T^{3} - 82 T^{4} - 141 T^{5} - 20 T^{6} + 1111 T^{7} + 5328 T^{8} + 7777 T^{9} - 980 T^{10} - 48363 T^{11} - 196882 T^{12} - 117649 T^{13} + 352947 T^{14} + 823543 T^{15} + 5764801 T^{16}$$
$11$ $$1 - 6 T + 61 T^{2} - 294 T^{3} + 1701 T^{4} - 6204 T^{5} + 24845 T^{6} - 59553 T^{7} + 143666 T^{8} + 78393 T^{9} - 1097631 T^{10} + 8096325 T^{11} - 21925205 T^{12} + 68059401 T^{13} - 34454504 T^{14} - 43343730 T^{15} + 1352446632 T^{16} - 476781030 T^{17} - 4168994984 T^{18} + 90587062731 T^{19} - 321006926405 T^{20} + 1303921237575 T^{21} - 1944520271991 T^{22} + 1527657796203 T^{23} + 30796082997746 T^{24} - 140422858842123 T^{25} + 644415314211845 T^{26} - 1770073604470644 T^{27} + 5338466668802421 T^{28} - 10149677370315714 T^{29} + 23164739848577701 T^{30} - 25063489016493906 T^{31} + 45949729863572161 T^{32}$$
$13$ $$1 + 3 T + 53 T^{2} + 150 T^{3} + 1317 T^{4} + 4452 T^{5} + 23056 T^{6} + 90522 T^{7} + 327950 T^{8} + 1218621 T^{9} + 4082037 T^{10} + 12551466 T^{11} + 42977824 T^{12} + 136810599 T^{13} + 317458436 T^{14} + 1828010007 T^{15} + 2359677564 T^{16} + 23764130091 T^{17} + 53650475684 T^{18} + 300572886003 T^{19} + 1227489631264 T^{20} + 4660271465538 T^{21} + 19703212929933 T^{22} + 76466660535057 T^{23} + 267518889951950 T^{24} + 959940492242706 T^{25} + 3178465388070544 T^{26} + 7978698074252724 T^{27} + 30683578106307477 T^{28} + 45431265988837950 T^{29} + 208680948442062317 T^{30} + 153557679042272271 T^{31} + 665416609183179841 T^{32}$$
$17$ $$1 + 9 T - 31 T^{2} - 498 T^{3} + 6 T^{4} + 11613 T^{5} + 1180 T^{6} - 197118 T^{7} + 356723 T^{8} + 3738756 T^{9} - 13114257 T^{10} - 60977685 T^{11} + 321880693 T^{12} + 548795961 T^{13} - 7936687522 T^{14} - 1772823582 T^{15} + 160937528238 T^{16} - 30138000894 T^{17} - 2293702693858 T^{18} + 2696234556393 T^{19} + 26883797360053 T^{20} - 86579592891045 T^{21} - 316546283221233 T^{22} + 1534156175710788 T^{23} + 2488413121625843 T^{24} - 23375805039335646 T^{25} + 2378872802529820 T^{26} + 397999531820542029 T^{27} + 3495733423378566 T^{28} - 4932479860387156626 T^{29} - 5219712623341428799 T^{30} + 25761807463588342137 T^{31} + 48661191875666868481 T^{32}$$
$19$ $$1 + 59 T^{2} + 1482 T^{4} + 279 T^{5} + 21358 T^{6} - 23166 T^{7} + 284075 T^{8} - 1924515 T^{9} + 8259087 T^{10} - 60795468 T^{11} + 210571285 T^{12} - 1125692802 T^{13} + 3051652292 T^{14} - 14070928500 T^{15} + 40349090466 T^{16} - 267347641500 T^{17} + 1101646477412 T^{18} - 7721126928918 T^{19} + 27441860432485 T^{20} - 150535597519332 T^{21} + 388556024170647 T^{22} - 1720269569781585 T^{23} + 4824605670872075 T^{24} - 7475383206748314 T^{25} + 130947313134113758 T^{26} + 32500782232603101 T^{27} + 3280132710056050602 T^{28} + 47141394461190163139 T^{30} +$$$$28\!\cdots\!81$$$$T^{32}$$
$23$ $$1 + 21 T + 283 T^{2} + 2856 T^{3} + 23904 T^{4} + 177009 T^{5} + 1214978 T^{6} + 7994925 T^{7} + 50784536 T^{8} + 310700127 T^{9} + 1817756595 T^{10} + 10184685783 T^{11} + 55106115085 T^{12} + 290568927984 T^{13} + 1499561670325 T^{14} + 7546165977213 T^{15} + 36821082385998 T^{16} + 173561817475899 T^{17} + 793268123601925 T^{18} + 3535352146781328 T^{19} + 15420950351501485 T^{20} + 65552131046611569 T^{21} + 269093213526437955 T^{22} + 1057879698795731769 T^{23} + 3976987051198414616 T^{24} + 14400080441947075275 T^{25} + 50332299741336834722 T^{26} +$$$$16\!\cdots\!43$$$$T^{27} +$$$$52\!\cdots\!84$$$$T^{28} +$$$$14\!\cdots\!48$$$$T^{29} +$$$$32\!\cdots\!47$$$$T^{30} +$$$$55\!\cdots\!47$$$$T^{31} +$$$$61\!\cdots\!61$$$$T^{32}$$
$29$ $$1 + 6 T + 106 T^{2} + 564 T^{3} + 5445 T^{4} + 23700 T^{5} + 153455 T^{6} + 499140 T^{7} + 2268674 T^{8} + 3839766 T^{9} + 25367247 T^{10} + 108756381 T^{11} + 2283543946 T^{12} + 15452150286 T^{13} + 152754700246 T^{14} + 806878620189 T^{15} + 5726182499856 T^{16} + 23399479985481 T^{17} + 128466702906886 T^{18} + 376862493325254 T^{19} + 1615107245670826 T^{20} + 2230718335391769 T^{21} + 15089030105167287 T^{22} + 66235488555503694 T^{23} + 1134896030677883714 T^{24} + 7241096842395252660 T^{25} + 64559628486082344455 T^{26} +$$$$28\!\cdots\!00$$$$T^{27} +$$$$19\!\cdots\!45$$$$T^{28} +$$$$57\!\cdots\!96$$$$T^{29} +$$$$31\!\cdots\!86$$$$T^{30} +$$$$51\!\cdots\!94$$$$T^{31} +$$$$25\!\cdots\!21$$$$T^{32}$$
$31$ $$1 - 220 T^{2} + 25434 T^{4} - 2035931 T^{6} + 125854031 T^{8} - 6377263569 T^{10} + 274749236767 T^{12} - 10292358079372 T^{14} + 339402697885782 T^{16} - 9890956114276492 T^{18} + 253736689888296607 T^{20} - 5659844892194697489 T^{22} +$$$$10\!\cdots\!71$$$$T^{24} -$$$$16\!\cdots\!31$$$$T^{26} +$$$$20\!\cdots\!74$$$$T^{28} -$$$$16\!\cdots\!20$$$$T^{30} +$$$$72\!\cdots\!81$$$$T^{32}$$
$37$ $$1 - T - 188 T^{2} + 55 T^{3} + 18431 T^{4} + 6958 T^{5} - 1220598 T^{6} - 1466820 T^{7} + 61023285 T^{8} + 128763363 T^{9} - 2426865150 T^{10} - 7087005807 T^{11} + 80710069782 T^{12} + 247085609469 T^{13} - 2444398029834 T^{14} - 3801878390997 T^{15} + 81128049964254 T^{16} - 140669500466889 T^{17} - 3346380902842746 T^{18} + 12515627376433257 T^{19} + 151263665092702902 T^{20} - 491441025939358299 T^{21} - 6226672006436746350 T^{22} + 12223747755547878279 T^{23} +$$$$21\!\cdots\!85$$$$T^{24} -$$$$19\!\cdots\!40$$$$T^{25} -$$$$58\!\cdots\!02$$$$T^{26} +$$$$12\!\cdots\!54$$$$T^{27} +$$$$12\!\cdots\!11$$$$T^{28} +$$$$13\!\cdots\!35$$$$T^{29} -$$$$16\!\cdots\!32$$$$T^{30} -$$$$33\!\cdots\!93$$$$T^{31} +$$$$12\!\cdots\!41$$$$T^{32}$$
$41$ $$1 - 6 T - 142 T^{2} + 1146 T^{3} + 7575 T^{4} - 89148 T^{5} - 186515 T^{6} + 3858942 T^{7} + 5165546 T^{8} - 137269398 T^{9} - 383379603 T^{10} + 6275799867 T^{11} + 14048576428 T^{12} - 262470296220 T^{13} + 63020850350 T^{14} + 4818424458177 T^{15} - 18114488698896 T^{16} + 197555402785257 T^{17} + 105938049438350 T^{18} - 18089715285778620 T^{19} + 39697919375761708 T^{20} + 727090330826925267 T^{21} - 1821093078123196323 T^{22} - 26733801933571993638 T^{23} + 41246498577585065066 T^{24} +$$$$12\!\cdots\!62$$$$T^{25} -$$$$25\!\cdots\!15$$$$T^{26} -$$$$49\!\cdots\!68$$$$T^{27} +$$$$17\!\cdots\!75$$$$T^{28} +$$$$10\!\cdots\!66$$$$T^{29} -$$$$53\!\cdots\!62$$$$T^{30} -$$$$93\!\cdots\!06$$$$T^{31} +$$$$63\!\cdots\!41$$$$T^{32}$$
$43$ $$1 + 2 T - 137 T^{2} - 620 T^{3} + 8660 T^{4} + 62377 T^{5} - 131688 T^{6} - 3324402 T^{7} - 16902063 T^{8} + 47132751 T^{9} + 1398120027 T^{10} + 5063156292 T^{11} - 36164979717 T^{12} - 388120390392 T^{13} - 815732360646 T^{14} + 8046953157708 T^{15} + 93229603031718 T^{16} + 346018985781444 T^{17} - 1508289134834454 T^{18} - 30858287878896744 T^{19} - 123640868821459317 T^{20} + 744326723152573356 T^{21} + 8838024276744682323 T^{22} + 12811558914472065357 T^{23} -$$$$19\!\cdots\!63$$$$T^{24} -$$$$16\!\cdots\!86$$$$T^{25} -$$$$28\!\cdots\!12$$$$T^{26} +$$$$57\!\cdots\!39$$$$T^{27} +$$$$34\!\cdots\!60$$$$T^{28} -$$$$10\!\cdots\!60$$$$T^{29} -$$$$10\!\cdots\!13$$$$T^{30} +$$$$63\!\cdots\!14$$$$T^{31} +$$$$13\!\cdots\!01$$$$T^{32}$$
$47$ $$( 1 - 18 T + 262 T^{2} - 2454 T^{3} + 20893 T^{4} - 154293 T^{5} + 1267261 T^{6} - 9657933 T^{7} + 72865294 T^{8} - 453922851 T^{9} + 2799379549 T^{10} - 16019162139 T^{11} + 101951175133 T^{12} - 562812647178 T^{13} + 2824154416198 T^{14} - 9119216168334 T^{15} + 23811286661761 T^{16} )^{2}$$
$53$ $$1 + 271 T^{2} + 39798 T^{4} - 8019 T^{5} + 3882470 T^{6} - 3112830 T^{7} + 272618249 T^{8} - 573793713 T^{9} + 13751201223 T^{10} - 69938411256 T^{11} + 461723008303 T^{12} - 6218775316710 T^{13} + 7202514917530 T^{14} - 423085276358208 T^{15} - 24546838659498 T^{16} - 22423519646985024 T^{17} + 20231864403341770 T^{18} - 925832612825834670 T^{19} + 3643216624277663743 T^{20} - 29247928374839669208 T^{21} +$$$$30\!\cdots\!67$$$$T^{22} -$$$$67\!\cdots\!81$$$$T^{23} +$$$$16\!\cdots\!89$$$$T^{24} -$$$$10\!\cdots\!90$$$$T^{25} +$$$$67\!\cdots\!30$$$$T^{26} -$$$$74\!\cdots\!43$$$$T^{27} +$$$$19\!\cdots\!18$$$$T^{28} +$$$$37\!\cdots\!99$$$$T^{30} +$$$$38\!\cdots\!21$$$$T^{32}$$
$59$ $$( 1 - 15 T + 304 T^{2} - 2994 T^{3} + 35017 T^{4} - 245181 T^{5} + 2158909 T^{6} - 12195126 T^{7} + 111191710 T^{8} - 719512434 T^{9} + 7515162229 T^{10} - 50355028599 T^{11} + 424313630137 T^{12} - 2140483351206 T^{13} + 12822882226864 T^{14} - 37329772272285 T^{15} + 146830437604321 T^{16} )^{2}$$
$61$ $$1 - 745 T^{2} + 270666 T^{4} - 63553928 T^{6} + 10780728317 T^{8} - 1399459132305 T^{10} + 143698232661445 T^{12} - 11899376361024010 T^{14} + 802850906302349022 T^{16} - 44277579439370341210 T^{18} +$$$$19\!\cdots\!45$$$$T^{20} -$$$$72\!\cdots\!05$$$$T^{22} +$$$$20\!\cdots\!77$$$$T^{24} -$$$$45\!\cdots\!28$$$$T^{26} +$$$$71\!\cdots\!86$$$$T^{28} -$$$$73\!\cdots\!45$$$$T^{30} +$$$$36\!\cdots\!61$$$$T^{32}$$
$67$ $$( 1 - 7 T + 315 T^{2} - 1580 T^{3} + 47600 T^{4} - 182439 T^{5} + 4735936 T^{6} - 14472934 T^{7} + 354986784 T^{8} - 969686578 T^{9} + 21259616704 T^{10} - 54870900957 T^{11} + 959193359600 T^{12} - 2133197669060 T^{13} + 28494390383235 T^{14} - 42424981237261 T^{15} + 406067677556641 T^{16} )^{2}$$
$71$ $$1 - 389 T^{2} + 95718 T^{4} - 16982206 T^{6} + 2417461733 T^{8} - 285171142929 T^{10} + 28739565041956 T^{12} - 2501948752776044 T^{14} + 190114711967546784 T^{16} - 12612323662744037804 T^{18} +$$$$73\!\cdots\!36$$$$T^{20} -$$$$36\!\cdots\!09$$$$T^{22} +$$$$15\!\cdots\!13$$$$T^{24} -$$$$55\!\cdots\!06$$$$T^{26} +$$$$15\!\cdots\!38$$$$T^{28} -$$$$32\!\cdots\!09$$$$T^{30} +$$$$41\!\cdots\!21$$$$T^{32}$$
$73$ $$1 + 278 T^{2} + 39699 T^{4} - 160362 T^{5} + 4049527 T^{6} - 43185312 T^{7} + 316493258 T^{8} - 5978310966 T^{9} + 30516141699 T^{10} - 573490190745 T^{11} + 3892519182646 T^{12} - 40210747978752 T^{13} + 436575836052170 T^{14} - 2488085380264887 T^{15} + 37348173312201540 T^{16} - 181630232759336751 T^{17} + 2326512630322013930 T^{18} - 15642664546450166784 T^{19} +$$$$11\!\cdots\!86$$$$T^{20} -$$$$11\!\cdots\!85$$$$T^{21} +$$$$46\!\cdots\!11$$$$T^{22} -$$$$66\!\cdots\!02$$$$T^{23} +$$$$25\!\cdots\!98$$$$T^{24} -$$$$25\!\cdots\!56$$$$T^{25} +$$$$17\!\cdots\!23$$$$T^{26} -$$$$50\!\cdots\!74$$$$T^{27} +$$$$90\!\cdots\!79$$$$T^{28} +$$$$33\!\cdots\!02$$$$T^{30} +$$$$65\!\cdots\!61$$$$T^{32}$$
$79$ $$( 1 - T + 489 T^{2} - 92 T^{3} + 108962 T^{4} + 44511 T^{5} + 14856838 T^{6} + 9973310 T^{7} + 1391605452 T^{8} + 787891490 T^{9} + 92721525958 T^{10} + 21945658929 T^{11} + 4244078725922 T^{12} - 283089188708 T^{13} + 118869765749769 T^{14} - 19203908986159 T^{15} + 1517108809906561 T^{16} )^{2}$$
$83$ $$1 - 334 T^{2} + 1272 T^{3} + 54816 T^{4} - 395796 T^{5} - 5397056 T^{6} + 60133572 T^{7} + 310945691 T^{8} - 6455120304 T^{9} - 3389068248 T^{10} + 563598757704 T^{11} - 2368219763012 T^{12} - 39202056035964 T^{13} + 437295746267318 T^{14} + 1352773893773628 T^{15} - 45259898774669136 T^{16} + 112280233183211124 T^{17} + 3012530396035553702 T^{18} - 22415226014635747668 T^{19} -$$$$11\!\cdots\!52$$$$T^{20} +$$$$22\!\cdots\!72$$$$T^{21} -$$$$11\!\cdots\!12$$$$T^{22} -$$$$17\!\cdots\!08$$$$T^{23} +$$$$70\!\cdots\!31$$$$T^{24} +$$$$11\!\cdots\!16$$$$T^{25} -$$$$83\!\cdots\!44$$$$T^{26} -$$$$50\!\cdots\!32$$$$T^{27} +$$$$58\!\cdots\!76$$$$T^{28} +$$$$11\!\cdots\!36$$$$T^{29} -$$$$24\!\cdots\!86$$$$T^{30} +$$$$50\!\cdots\!81$$$$T^{32}$$
$89$ $$1 + 21 T - 253 T^{2} - 6084 T^{3} + 64134 T^{4} + 1086543 T^{5} - 14444834 T^{6} - 154075794 T^{7} + 2457441293 T^{8} + 16916386392 T^{9} - 343956627405 T^{10} - 1437006555873 T^{11} + 41653185355711 T^{12} + 92739461592729 T^{13} - 4399434577615834 T^{14} - 3097874885577318 T^{15} + 411982470004053510 T^{16} - 275710864816381302 T^{17} - 34847921289295021114 T^{18} + 65378445499564570401 T^{19} +$$$$26\!\cdots\!51$$$$T^{20} -$$$$80\!\cdots\!77$$$$T^{21} -$$$$17\!\cdots\!05$$$$T^{22} +$$$$74\!\cdots\!68$$$$T^{23} +$$$$96\!\cdots\!33$$$$T^{24} -$$$$53\!\cdots\!46$$$$T^{25} -$$$$45\!\cdots\!34$$$$T^{26} +$$$$30\!\cdots\!27$$$$T^{27} +$$$$15\!\cdots\!14$$$$T^{28} -$$$$13\!\cdots\!96$$$$T^{29} -$$$$49\!\cdots\!73$$$$T^{30} +$$$$36\!\cdots\!29$$$$T^{31} +$$$$15\!\cdots\!61$$$$T^{32}$$
$97$ $$1 + 3 T + 392 T^{2} + 1167 T^{3} + 75243 T^{4} + 248802 T^{5} + 9281977 T^{6} + 31870980 T^{7} + 787182476 T^{8} + 2086019346 T^{9} + 40966656945 T^{10} - 99548858823 T^{11} - 1131878124686 T^{12} - 48785193558327 T^{13} - 618766130152816 T^{14} - 7413615555033420 T^{15} - 81803373889459032 T^{16} - 719120708838241740 T^{17} - 5821970518607845744 T^{18} - 44524928960458978071 T^{19} -$$$$10\!\cdots\!66$$$$T^{20} -$$$$85\!\cdots\!11$$$$T^{21} +$$$$34\!\cdots\!05$$$$T^{22} +$$$$16\!\cdots\!98$$$$T^{23} +$$$$61\!\cdots\!36$$$$T^{24} +$$$$24\!\cdots\!60$$$$T^{25} +$$$$68\!\cdots\!73$$$$T^{26} +$$$$17\!\cdots\!06$$$$T^{27} +$$$$52\!\cdots\!63$$$$T^{28} +$$$$78\!\cdots\!59$$$$T^{29} +$$$$25\!\cdots\!48$$$$T^{30} +$$$$18\!\cdots\!79$$$$T^{31} +$$$$61\!\cdots\!21$$$$T^{32}$$
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