Number of Distinct Homomorphic Images in Coset Diagrams

<div>Homomorphic images <span class="nowrap"><svg height="18.4409pt" id="M449" style="vertical-align:-7.004801pt" version="1.1" viewbox="-0.0498162 -11.4361 26.0998 18.4409" width="26.0998pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M719 146L691 147C666 77 657 72 612 72H528C572 125 688 224 688 364C688 546 558 665 384 665C212 665 77 541 77 361C77 221 188 124 239 72H150C110 72 97 80 73 147L46 146L63 0H307L314 18C284 71 178 203 178 360C178 529 256 631 383 631C509 631 588 523 588 363C588 197 485 67 453 18L458 0H701L719 146Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,9.841,-5.741)"><path d="M453 623H65C60 580 56 530 46 472H80C103 538 110 548 175 548H389C310 380 195 168 90 0L98 -12L175 -2C273 206 366 408 462 610L453 623Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,9.841,3.784)"><path d="M238 675C244 702 241 710 231 710C220 710 155 682 74 673L70 643H101C147 643 151 635 142 594L39 111C18 11 36 -12 55 -12C89 -12 170 38 223 103L207 129C176 98 130 68 118 68C113 68 108 72 114 102L238 675Z"></path></g><g transform="matrix(.0065,0,0,-0.0065,12.08,5.885)"><path d="M318 -137C221 -59 159 100 159 272S220 600 318 680L294 710C146 612 80 452 80 273V272C80 91 146 -72 294 -168L318 -137Z"></path></g><g transform="matrix(.0065,0,0,-0.0065,14.485,5.885)"><path d="M461 212C461 317 386 401 277 401C257 401 234 394 212 384L145 351C175 478 268 537 333 566C371 583 409 595 443 601L435 641C396 634 343 622 305 610C193 570 37 459 37 240C37 88 127 -12 248 -12C372 -12 461 89 461 212ZM371 176C371 111 344 32 268 32C184 32 132 126 132 248C132 270 133 293 138 310C161 323 197 339 236 339C328 339 371 258 371 176Z"></path></g><g transform="matrix(.0065,0,0,-0.0065,17.696,5.885)"><path d="M202 22C202 97 141 138 100 138C74 138 46 121 46 92C46 74 56 66 61 64C97 55 127 31 127 -5C127 -43 97 -68 44 -90L59 -129C127 -110 202 -64 202 22Z"></path></g><g transform="matrix(.0065,0,0,-0.0065,19.295,5.885)"><path d="M443 227C443 310 376 399 246 399C216 399 175 385 139 374L163 546H394L422 615L414 623H124L84 318C106 325 144 336 186 336C298 336 353 275 353 189C353 120 311 45 229 45C168 45 125 77 103 97C92 105 84 102 73 94C61 84 52 69 51 61C48 47 52 40 66 25C84 9 127 -12 175 -12C229 -11 296 15 350 59C413 107 443 167 443 227Z"></path></g><g transform="matrix(.0065,0,0,-0.0065,22.506,5.885)"><path d="M291 272C291 452 228 611 76 710L51 680C147 602 211 444 211 272S151 -55 51 -137L76 -168C227 -66 291 91 291 272Z"></path></g></svg>.</span></div>

Journal of Mathematics

Number of Distinct Homomorphic Images in Coset Diagrams

Figure 15