33:
382:. Although polycyclic-by-finite groups need not be solvable, they still have many of the finiteness properties of polycyclic groups; for example, they satisfy the maximal condition, and they are finitely presented and
413:, which by Hirsch's theorem can also be expressed as a group which has a finite length subnormal series with each factor a finite group or an infinite
97:
553:
396:
69:
76:
315:(1967) and Swan proved the converse, that any polycyclic group is up to isomorphism a group of integer matrices. The
116:
50:
83:
54:
623:
603:
65:
17:
598:
593:
485:. This is independent of choice of subgroup, as all such subgroups will have the same Hirsch length.
628:
153:
149:
383:
316:
43:
580:
90:
299:
Examples of polycyclic groups include finitely generated abelian groups, finitely generated
533:
367:
308:
8:
499:
545:
420:
These groups are particularly interesting because they are the only known examples of
549:
521:
478:
280:
169:
354:
is infinite. Any subgroup of a strongly polycyclic group is strongly polycyclic.
529:
463:
421:
406:
312:
304:
300:
288:
378:
polycyclic subgroup of finite index, and therefore such groups are also called
141:
617:
525:
494:
414:
410:
264:
133:
424:
371:
32:
156:, which makes them interesting from a computational point of view.
145:
172:
with cyclic factors, that is a finite set of subgroups, let's say
319:
of a polycyclic group is also such a group of integer matrices.
458:
is a polycyclic-by-finite group, then the Hirsch length of
451:
is the number of infinite factors in its subnormal series.
512:
Ivanov, S. V. (1989), "Group rings of
Noetherian groups",
366:
is a group that has a polycyclic subgroup of finite
57:. Unsourced material may be challenged and removed.
431:), or group rings of finite injective dimension.
615:
575:Dmitriĭ Alekseevich Suprunenko, K. A. Hirsch,
357:
307:proved that solvable subgroups of the integer
322:
514:Akademiya Nauk SSSR. Matematicheskie Zametki
405:refers to what is now called a polycyclic-
395:harv error: no target: CITEREFScott1964 (
374:property. Such a group necessarily has a
168:is polycyclic if and only if it admits a
117:Learn how and when to remove this message
144:that satisfies the maximal condition on
14:
616:
511:
428:
539:
462:is the Hirsch length of a polycyclic
390:
291:of a cyclic group by a cyclic group.
129:Type of solvable group in mathematics
303:groups, and finite solvable groups.
55:adding citations to reliable sources
26:
24:
25:
640:
434:
31:
42:needs additional citations for
586:
569:
159:
13:
1:
505:
148:(that is, every subgroup is
7:
599:Encyclopedia of Mathematics
488:
380:polycyclic-by-finite groups
358:Polycyclic-by-finite groups
294:
283:is a polycyclic group with
10:
645:
364:virtually polycyclic group
323:Strongly polycyclic groups
311:are polycyclic; and later
287:≤ 2, or in other words an
152:). Polycyclic groups are
562:
223:is a normal subgroup of
244:and the quotient group
212:is the trivial subgroup
447:of a polycyclic group
164:Equivalently, a group
624:Properties of groups
540:Scott, W.R. (1987),
401:and some papers, an
309:general linear group
51:improve this article
579:(1976), pp. 174–5;
500:Supersolvable group
333:strongly polycyclic
327:A polycyclic group
594:"Polycyclic group"
548:, pp. 45–46,
546:Dover Publications
370:, an example of a
154:finitely presented
150:finitely generated
66:"Polycyclic group"
555:978-0-486-65377-8
389:In the textbook (
384:residually finite
335:if each quotient
127:
126:
119:
101:
16:(Redirected from
636:
608:
607:
590:
584:
573:
558:
536:
400:
281:metacyclic group
170:subnormal series
138:polycyclic group
122:
115:
111:
108:
102:
100:
59:
35:
27:
21:
644:
643:
639:
638:
637:
635:
634:
633:
629:Solvable groups
614:
613:
612:
611:
592:
591:
587:
574:
570:
565:
556:
508:
491:
464:normal subgroup
437:
394:
360:
353:
344:
325:
313:Louis Auslander
305:Anatoly Maltsev
297:
262:
253:
232:
222:
211:
200:coincides with
199:
187:
178:
162:
130:
123:
112:
106:
103:
60:
58:
48:
36:
23:
22:
15:
12:
11:
5:
642:
632:
631:
626:
610:
609:
585:
567:
566:
564:
561:
560:
559:
554:
537:
507:
504:
503:
502:
497:
490:
487:
436:
433:
359:
356:
349:
339:
331:is said to be
324:
321:
296:
293:
277:
276:
271:between 0 and
258:
248:
242:
237:between 0 and
227:
218:
213:
209:
204:
195:
183:
176:
161:
158:
142:solvable group
128:
125:
124:
39:
37:
30:
9:
6:
4:
3:
2:
641:
630:
627:
625:
622:
621:
619:
605:
601:
600:
595:
589:
582:
578:
577:Matrix groups
572:
568:
557:
551:
547:
543:
538:
535:
531:
527:
523:
519:
515:
510:
509:
501:
498:
496:
493:
492:
486:
484:
480:
476:
472:
468:
465:
461:
457:
452:
450:
446:
445:Hirsch number
442:
441:Hirsch length
435:Hirsch length
432:
430:
426:
423:
418:
416:
412:
408:
404:
398:
392:
387:
385:
381:
377:
373:
369:
365:
355:
352:
348:
342:
338:
334:
330:
320:
318:
314:
310:
306:
302:
292:
290:
286:
282:
274:
270:
266:
261:
257:
251:
247:
243:
240:
236:
230:
226:
221:
217:
214:
208:
205:
203:
198:
194:
191:
190:
189:
186:
182:
175:
171:
167:
157:
155:
151:
147:
143:
139:
135:
121:
118:
110:
99:
96:
92:
89:
85:
82:
78:
75:
71:
68: –
67:
63:
62:Find sources:
56:
52:
46:
45:
40:This article
38:
34:
29:
28:
19:
18:Hirsch length
597:
588:
581:Google Books
576:
571:
544:, New York:
542:Group Theory
541:
520:(6): 61–66,
517:
513:
495:Group theory
482:
474:
470:
466:
459:
455:
453:
448:
444:
440:
438:
419:
415:cyclic group
411:finite group
402:
388:
379:
375:
363:
361:
350:
346:
340:
336:
332:
328:
326:
298:
284:
278:
272:
268:
265:cyclic group
259:
255:
249:
245:
238:
234:
228:
224:
219:
215:
206:
201:
196:
192:
184:
180:
173:
165:
163:
137:
131:
113:
104:
94:
87:
80:
73:
61:
49:Please help
44:verification
41:
477:has finite
429:Ivanov 1989
425:group rings
267:(for every
233:(for every
160:Terminology
134:mathematics
618:Categories
506:References
422:Noetherian
391:Scott 1964
188:such that
77:newspapers
604:EMS Press
526:0025-567X
393:, Ch 7.1)
317:holomorph
301:nilpotent
289:extension
146:subgroups
107:June 2008
489:See also
473:, where
295:Examples
606:, 2001
534:1051052
403:M-group
372:virtual
179:, ...,
91:scholar
552:
532:
524:
376:normal
93:
86:
79:
72:
64:
563:Notes
479:index
368:index
263:is a
140:is a
98:JSTOR
84:books
550:ISBN
522:ISSN
439:The
397:help
275:- 1)
241:- 1)
136:, a
70:news
481:in
469:of
454:If
443:or
132:In
53:by
620::
602:,
596:,
530:MR
528:,
518:46
516:,
417:.
407:by
386:.
362:A
345:/
343:+1
279:A
254:/
252:+1
231:+1
583:.
483:G
475:H
471:G
467:H
460:G
456:G
449:G
427:(
409:-
399:)
351:i
347:G
341:i
337:G
329:G
285:n
273:n
269:i
260:i
256:G
250:i
246:G
239:n
235:i
229:i
225:G
220:i
216:G
210:0
207:G
202:G
197:n
193:G
185:n
181:G
177:0
174:G
166:G
120:)
114:(
109:)
105:(
95:·
88:·
81:·
74:·
47:.
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.