# Properties

 Label 126.2.e Level 126 Weight 2 Character orbit e Rep. character $$\chi_{126}(25,\cdot)$$ Character field $$\Q(\zeta_{3})$$ Dimension 16 Newform subspaces 4 Sturm bound 48 Trace bound 2

# Related objects

## Defining parameters

 Level: $$N$$ = $$126 = 2 \cdot 3^{2} \cdot 7$$ Weight: $$k$$ = $$2$$ Character orbit: $$[\chi]$$ = 126.e (of order $$3$$ and degree $$2$$) Character conductor: $$\operatorname{cond}(\chi)$$ = $$63$$ Character field: $$\Q(\zeta_{3})$$ Newform subspaces: $$4$$ Sturm bound: $$48$$ Trace bound: $$2$$ Distinguishing $$T_p$$: $$5$$

## Dimensions

The following table gives the dimensions of various subspaces of $$M_{2}(126, [\chi])$$.

Total New Old
Modular forms 56 16 40
Cusp forms 40 16 24
Eisenstein series 16 0 16

## Trace form

 $$16q + 16q^{4} - 4q^{5} - 4q^{6} - 2q^{7} - 8q^{9} + O(q^{10})$$ $$16q + 16q^{4} - 4q^{5} - 4q^{6} - 2q^{7} - 8q^{9} + 4q^{11} + 2q^{13} + 2q^{14} + 10q^{15} + 16q^{16} - 14q^{17} - 12q^{18} - 4q^{19} - 4q^{20} - 20q^{21} - 2q^{23} - 4q^{24} - 8q^{25} - 16q^{26} - 2q^{28} - 10q^{29} + 4q^{30} - 4q^{31} - 40q^{33} - 14q^{35} - 8q^{36} + 2q^{37} - 12q^{38} + 16q^{39} - 6q^{41} - 12q^{42} + 2q^{43} + 4q^{44} + 38q^{45} - 6q^{46} + 12q^{47} + 4q^{49} - 4q^{50} + 14q^{51} + 2q^{52} + 24q^{53} + 14q^{54} - 12q^{55} + 2q^{56} + 18q^{57} + 6q^{58} + 44q^{59} + 10q^{60} - 16q^{61} + 44q^{62} + 24q^{63} + 16q^{64} + 12q^{65} - 16q^{66} - 28q^{67} - 14q^{68} + 38q^{69} - 18q^{70} + 52q^{71} - 12q^{72} - 28q^{73} - 6q^{74} + 76q^{75} - 4q^{76} + 50q^{77} + 32q^{78} - 40q^{79} - 4q^{80} + 4q^{81} + 16q^{83} - 20q^{84} + 12q^{85} + 12q^{86} + 4q^{87} - 36q^{89} + 2q^{90} - 16q^{91} - 2q^{92} - 38q^{93} - 24q^{94} - 68q^{95} - 4q^{96} + 2q^{97} - 24q^{98} - 62q^{99} + O(q^{100})$$

## Decomposition of $$S_{2}^{\mathrm{new}}(126, [\chi])$$ into newform subspaces

Label Dim. $$A$$ Field CM Traces $q$-expansion
$$a_2$$ $$a_3$$ $$a_5$$ $$a_7$$
126.2.e.a $$2$$ $$1.006$$ $$\Q(\sqrt{-3})$$ None $$-2$$ $$0$$ $$-3$$ $$-4$$ $$q-q^{2}+(1-2\zeta_{6})q^{3}+q^{4}-3\zeta_{6}q^{5}+\cdots$$
126.2.e.b $$2$$ $$1.006$$ $$\Q(\sqrt{-3})$$ None $$2$$ $$0$$ $$3$$ $$-4$$ $$q+q^{2}+(1-2\zeta_{6})q^{3}+q^{4}+3\zeta_{6}q^{5}+\cdots$$
126.2.e.c $$6$$ $$1.006$$ 6.0.309123.1 None $$-6$$ $$2$$ $$1$$ $$2$$ $$q-q^{2}+(-\beta _{2}-\beta _{4})q^{3}+q^{4}+(1-\beta _{1}+\cdots)q^{5}+\cdots$$
126.2.e.d $$6$$ $$1.006$$ 6.0.309123.1 None $$6$$ $$-2$$ $$-5$$ $$4$$ $$q+q^{2}+(\beta _{3}-\beta _{4}-\beta _{5})q^{3}+q^{4}+(\beta _{1}+\cdots)q^{5}+\cdots$$

## Decomposition of $$S_{2}^{\mathrm{old}}(126, [\chi])$$ into lower level spaces

$$S_{2}^{\mathrm{old}}(126, [\chi]) \cong$$ $$S_{2}^{\mathrm{new}}(63, [\chi])$$$$^{\oplus 2}$$

## Hecke Characteristic Polynomials

$p$ $F_p(T)$
$2$ ($$( 1 + T )^{2}$$)($$( 1 - T )^{2}$$)($$( 1 + T )^{6}$$)($$( 1 - T )^{6}$$)
$3$ ($$1 + 3 T^{2}$$)($$1 + 3 T^{2}$$)($$1 - 2 T - 2 T^{2} + 9 T^{3} - 6 T^{4} - 18 T^{5} + 27 T^{6}$$)($$1 + 2 T + 4 T^{2} + 3 T^{3} + 12 T^{4} + 18 T^{5} + 27 T^{6}$$)
$5$ ($$1 + 3 T + 4 T^{2} + 15 T^{3} + 25 T^{4}$$)($$1 - 3 T + 4 T^{2} - 15 T^{3} + 25 T^{4}$$)($$1 - T - 8 T^{2} + 17 T^{3} + 23 T^{4} - 52 T^{5} - 11 T^{6} - 260 T^{7} + 575 T^{8} + 2125 T^{9} - 5000 T^{10} - 3125 T^{11} + 15625 T^{12}$$)($$1 + 5 T + 6 T^{2} + T^{3} + 31 T^{4} + 68 T^{5} + 29 T^{6} + 340 T^{7} + 775 T^{8} + 125 T^{9} + 3750 T^{10} + 15625 T^{11} + 15625 T^{12}$$)
$7$ ($$1 + 4 T + 7 T^{2}$$)($$1 + 4 T + 7 T^{2}$$)($$1 - 2 T - 4 T^{2} + 31 T^{3} - 28 T^{4} - 98 T^{5} + 343 T^{6}$$)($$1 - 4 T + 14 T^{2} - 55 T^{3} + 98 T^{4} - 196 T^{5} + 343 T^{6}$$)
$11$ ($$1 - 3 T - 2 T^{2} - 33 T^{3} + 121 T^{4}$$)($$1 - 3 T - 2 T^{2} - 33 T^{3} + 121 T^{4}$$)($$1 + T - 26 T^{2} - 23 T^{3} + 407 T^{4} + 202 T^{5} - 4853 T^{6} + 2222 T^{7} + 49247 T^{8} - 30613 T^{9} - 380666 T^{10} + 161051 T^{11} + 1771561 T^{12}$$)($$1 + T - 6 T^{2} - 103 T^{3} - 83 T^{4} + 352 T^{5} + 5027 T^{6} + 3872 T^{7} - 10043 T^{8} - 137093 T^{9} - 87846 T^{10} + 161051 T^{11} + 1771561 T^{12}$$)
$13$ ($$1 - T - 12 T^{2} - 13 T^{3} + 169 T^{4}$$)($$( 1 - 2 T + 13 T^{2} )( 1 + 7 T + 13 T^{2} )$$)($$1 - 8 T + 24 T^{2} - 42 T^{3} - 32 T^{4} + 1408 T^{5} - 7901 T^{6} + 18304 T^{7} - 5408 T^{8} - 92274 T^{9} + 685464 T^{10} - 2970344 T^{11} + 4826809 T^{12}$$)($$1 + 2 T - 32 T^{2} - 26 T^{3} + 730 T^{4} + 230 T^{5} - 10729 T^{6} + 2990 T^{7} + 123370 T^{8} - 57122 T^{9} - 913952 T^{10} + 742586 T^{11} + 4826809 T^{12}$$)
$17$ ($$1 + 3 T - 8 T^{2} + 51 T^{3} + 289 T^{4}$$)($$1 + 3 T - 8 T^{2} + 51 T^{3} + 289 T^{4}$$)($$1 + 4 T - 23 T^{2} - 68 T^{3} + 410 T^{4} + 220 T^{5} - 8111 T^{6} + 3740 T^{7} + 118490 T^{8} - 334084 T^{9} - 1920983 T^{10} + 5679428 T^{11} + 24137569 T^{12}$$)($$1 + 4 T + 9 T^{2} + 92 T^{3} + 58 T^{4} - 20 T^{5} + 5393 T^{6} - 340 T^{7} + 16762 T^{8} + 451996 T^{9} + 751689 T^{10} + 5679428 T^{11} + 24137569 T^{12}$$)
$19$ ($$( 1 - 8 T + 19 T^{2} )( 1 + T + 19 T^{2} )$$)($$1 + 5 T + 6 T^{2} + 95 T^{3} + 361 T^{4}$$)($$1 + 3 T - 12 T^{2} - 67 T^{3} - 153 T^{4} + 54 T^{5} + 6315 T^{6} + 1026 T^{7} - 55233 T^{8} - 459553 T^{9} - 1563852 T^{10} + 7428297 T^{11} + 47045881 T^{12}$$)($$1 + 3 T - 42 T^{2} - 61 T^{3} + 1311 T^{4} + 726 T^{5} - 27501 T^{6} + 13794 T^{7} + 473271 T^{8} - 418399 T^{9} - 5473482 T^{10} + 7428297 T^{11} + 47045881 T^{12}$$)
$23$ ($$1 - 9 T + 58 T^{2} - 207 T^{3} + 529 T^{4}$$)($$1 - 3 T - 14 T^{2} - 69 T^{3} + 529 T^{4}$$)($$1 + 7 T - 32 T^{2} - 83 T^{3} + 2423 T^{4} + 3946 T^{5} - 46865 T^{6} + 90758 T^{7} + 1281767 T^{8} - 1009861 T^{9} - 8954912 T^{10} + 45054401 T^{11} + 148035889 T^{12}$$)($$1 + 7 T - 24 T^{2} - 127 T^{3} + 1417 T^{4} + 3484 T^{5} - 22393 T^{6} + 80132 T^{7} + 749593 T^{8} - 1545209 T^{9} - 6716184 T^{10} + 45054401 T^{11} + 148035889 T^{12}$$)
$29$ ($$1 + 3 T - 20 T^{2} + 87 T^{3} + 841 T^{4}$$)($$1 - 3 T - 20 T^{2} - 87 T^{3} + 841 T^{4}$$)($$1 + 5 T + 4 T^{2} + 251 T^{3} + 197 T^{4} - 3418 T^{5} + 20293 T^{6} - 99122 T^{7} + 165677 T^{8} + 6121639 T^{9} + 2829124 T^{10} + 102555745 T^{11} + 594823321 T^{12}$$)($$1 + 5 T - 30 T^{2} - 371 T^{3} - 185 T^{4} + 6020 T^{5} + 44357 T^{6} + 174580 T^{7} - 155585 T^{8} - 9048319 T^{9} - 21218430 T^{10} + 102555745 T^{11} + 594823321 T^{12}$$)
$31$ ($$( 1 - 8 T + 31 T^{2} )^{2}$$)($$( 1 + 4 T + 31 T^{2} )^{2}$$)($$( 1 + 20 T + 214 T^{2} + 1441 T^{3} + 6634 T^{4} + 19220 T^{5} + 29791 T^{6} )^{2}$$)($$( 1 - 14 T + 138 T^{2} - 841 T^{3} + 4278 T^{4} - 13454 T^{5} + 29791 T^{6} )^{2}$$)
$37$ ($$( 1 - 11 T + 37 T^{2} )( 1 + 10 T + 37 T^{2} )$$)($$1 - 7 T + 12 T^{2} - 259 T^{3} + 1369 T^{4}$$)($$( 1 - 11 T + 37 T^{2} )^{3}( 1 + 10 T + 37 T^{2} )^{3}$$)($$1 + 9 T - 21 T^{2} - 268 T^{3} + 1293 T^{4} + 4875 T^{5} - 42882 T^{6} + 180375 T^{7} + 1770117 T^{8} - 13575004 T^{9} - 39357381 T^{10} + 624095613 T^{11} + 2565726409 T^{12}$$)
$41$ ($$1 + 3 T - 32 T^{2} + 123 T^{3} + 1681 T^{4}$$)($$1 - 9 T + 40 T^{2} - 369 T^{3} + 1681 T^{4}$$)($$1 - 90 T^{2} + 18 T^{3} + 4410 T^{4} - 810 T^{5} - 194177 T^{6} - 33210 T^{7} + 7413210 T^{8} + 1240578 T^{9} - 254318490 T^{10} + 4750104241 T^{12}$$)($$1 + 12 T - 18 T^{2} - 78 T^{3} + 7470 T^{4} + 24546 T^{5} - 158105 T^{6} + 1006386 T^{7} + 12557070 T^{8} - 5375838 T^{9} - 50863698 T^{10} + 1390274412 T^{11} + 4750104241 T^{12}$$)
$43$ ($$1 - T - 42 T^{2} - 43 T^{3} + 1849 T^{4}$$)($$1 + 11 T + 78 T^{2} + 473 T^{3} + 1849 T^{4}$$)($$( 1 - 12 T - 6 T^{2} + 547 T^{3} - 258 T^{4} - 22188 T^{5} + 79507 T^{6} )( 1 + 18 T + 198 T^{2} + 1519 T^{3} + 8514 T^{4} + 33282 T^{5} + 79507 T^{6} )$$)($$1 - 18 T + 114 T^{2} - 682 T^{3} + 7188 T^{4} - 33492 T^{5} + 63039 T^{6} - 1440156 T^{7} + 13290612 T^{8} - 54223774 T^{9} + 389743314 T^{10} - 2646151974 T^{11} + 6321363049 T^{12}$$)
$47$ ($$( 1 + 47 T^{2} )^{2}$$)($$( 1 + 47 T^{2} )^{2}$$)($$( 1 - 9 T + 87 T^{2} - 657 T^{3} + 4089 T^{4} - 19881 T^{5} + 103823 T^{6} )^{2}$$)($$( 1 + 3 T + 117 T^{2} + 309 T^{3} + 5499 T^{4} + 6627 T^{5} + 103823 T^{6} )^{2}$$)
$53$ ($$1 + 3 T - 44 T^{2} + 159 T^{3} + 2809 T^{4}$$)($$1 - 3 T - 44 T^{2} - 159 T^{3} + 2809 T^{4}$$)($$1 - 15 T - 33 T^{3} + 13635 T^{4} - 60360 T^{5} - 225155 T^{6} - 3199080 T^{7} + 38300715 T^{8} - 4912941 T^{9} - 6272932395 T^{11} + 22164361129 T^{12}$$)($$1 - 9 T - 36 T^{2} + 873 T^{3} - 1179 T^{4} - 26334 T^{5} + 272077 T^{6} - 1395702 T^{7} - 3311811 T^{8} + 129969621 T^{9} - 284057316 T^{10} - 3763759437 T^{11} + 22164361129 T^{12}$$)
$59$ ($$( 1 + 59 T^{2} )^{2}$$)($$( 1 - 12 T + 59 T^{2} )^{2}$$)($$( 1 - 14 T + 216 T^{2} - 1589 T^{3} + 12744 T^{4} - 48734 T^{5} + 205379 T^{6} )^{2}$$)($$( 1 + 4 T + 76 T^{2} + 649 T^{3} + 4484 T^{4} + 13924 T^{5} + 205379 T^{6} )^{2}$$)
$61$ ($$( 1 - 2 T + 61 T^{2} )^{2}$$)($$( 1 - 2 T + 61 T^{2} )^{2}$$)($$( 1 + 8 T + 178 T^{2} + 883 T^{3} + 10858 T^{4} + 29768 T^{5} + 226981 T^{6} )^{2}$$)($$( 1 + 4 T + 48 T^{2} - 229 T^{3} + 2928 T^{4} + 14884 T^{5} + 226981 T^{6} )^{2}$$)
$67$ ($$( 1 + 4 T + 67 T^{2} )^{2}$$)($$( 1 + 4 T + 67 T^{2} )^{2}$$)($$( 1 + T + 89 T^{2} - 77 T^{3} + 5963 T^{4} + 4489 T^{5} + 300763 T^{6} )^{2}$$)($$( 1 + 5 T + 143 T^{2} + 521 T^{3} + 9581 T^{4} + 22445 T^{5} + 300763 T^{6} )^{2}$$)
$71$ ($$( 1 - 12 T + 71 T^{2} )^{2}$$)($$( 1 + 71 T^{2} )^{2}$$)($$( 1 - 7 T + 15 T^{2} + 599 T^{3} + 1065 T^{4} - 35287 T^{5} + 357911 T^{6} )^{2}$$)($$( 1 - 7 T + 163 T^{2} - 895 T^{3} + 11573 T^{4} - 35287 T^{5} + 357911 T^{6} )^{2}$$)
$73$ ($$1 + 11 T + 48 T^{2} + 803 T^{3} + 5329 T^{4}$$)($$1 + 11 T + 48 T^{2} + 803 T^{3} + 5329 T^{4}$$)($$1 - 19 T + 134 T^{2} - 27 T^{3} - 5759 T^{4} + 41986 T^{5} - 314903 T^{6} + 3064978 T^{7} - 30689711 T^{8} - 10503459 T^{9} + 3805364294 T^{10} - 39388360267 T^{11} + 151334226289 T^{12}$$)($$1 + 25 T + 254 T^{2} + 2073 T^{3} + 20533 T^{4} + 115046 T^{5} + 366817 T^{6} + 8398358 T^{7} + 109420357 T^{8} + 806432241 T^{9} + 7213153214 T^{10} + 51826789825 T^{11} + 151334226289 T^{12}$$)
$79$ ($$( 1 + 16 T + 79 T^{2} )^{2}$$)($$( 1 - 8 T + 79 T^{2} )^{2}$$)($$( 1 + 5 T + 163 T^{2} + 469 T^{3} + 12877 T^{4} + 31205 T^{5} + 493039 T^{6} )^{2}$$)($$( 1 + 7 T + 93 T^{2} + 335 T^{3} + 7347 T^{4} + 43687 T^{5} + 493039 T^{6} )^{2}$$)
$83$ ($$1 - 9 T - 2 T^{2} - 747 T^{3} + 6889 T^{4}$$)($$1 + 3 T - 74 T^{2} + 249 T^{3} + 6889 T^{4}$$)($$1 - 2 T - 182 T^{2} - 2 T^{3} + 18788 T^{4} + 13564 T^{5} - 1721225 T^{6} + 1125812 T^{7} + 129430532 T^{8} - 1143574 T^{9} - 8637414422 T^{10} - 7878081286 T^{11} + 326940373369 T^{12}$$)($$1 - 8 T - 180 T^{2} + 518 T^{3} + 29404 T^{4} - 32420 T^{5} - 2713585 T^{6} - 2690860 T^{7} + 202564156 T^{8} + 296185666 T^{9} - 8542497780 T^{10} - 31512325144 T^{11} + 326940373369 T^{12}$$)
$89$ ($$1 + 3 T - 80 T^{2} + 267 T^{3} + 7921 T^{4}$$)($$1 + 15 T + 136 T^{2} + 1335 T^{3} + 7921 T^{4}$$)($$1 + 9 T - 144 T^{2} - 1197 T^{3} + 16101 T^{4} + 73314 T^{5} - 1141967 T^{6} + 6524946 T^{7} + 127536021 T^{8} - 843847893 T^{9} - 9034882704 T^{10} + 50256535041 T^{11} + 496981290961 T^{12}$$)($$1 + 9 T - 180 T^{2} - 729 T^{3} + 31041 T^{4} + 54846 T^{5} - 2925911 T^{6} + 4881294 T^{7} + 245875761 T^{8} - 513922401 T^{9} - 11293603380 T^{10} + 50256535041 T^{11} + 496981290961 T^{12}$$)
$97$ ($$1 - T - 96 T^{2} - 97 T^{3} + 9409 T^{4}$$)($$1 - T - 96 T^{2} - 97 T^{3} + 9409 T^{4}$$)($$1 - 28 T + 281 T^{2} - 2724 T^{3} + 45178 T^{4} - 388196 T^{5} + 2169217 T^{6} - 37655012 T^{7} + 425079802 T^{8} - 2486121252 T^{9} + 24876727961 T^{10} - 240445527196 T^{11} + 832972004929 T^{12}$$)($$1 + 28 T + 257 T^{2} + 2820 T^{3} + 59506 T^{4} + 545924 T^{5} + 3126001 T^{6} + 52954628 T^{7} + 559891954 T^{8} + 2573737860 T^{9} + 22752025217 T^{10} + 240445527196 T^{11} + 832972004929 T^{12}$$)