Finite Group Databasebeta

← C31×#26845 #21483604

Subgroups — C31×#26845 #21483604

Order 7936.

806 conjugacy classes of subgroups.

The subgroup lattice has 648 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×C31×#491C211yesmaximal, characteristic, complemented
2C2×C31×#440C211yesmaximal, characteristic
3C31×#2454C211yesmaximal, characteristic
4C31×#2446C211yesmaximal, characteristic, complemented
5C31×#2068C211yesmaximal, characteristic, complemented
6C31×#2059C211yesmaximal, characteristic, complemented
7C31×#2055C211yesmaximal, characteristic
8C31×#2013C211yesmaximal, characteristic
9C31×#1968C211yesmaximal, characteristic
10C31×#1936C211yesmaximal, characteristic
11C31×#1935C211yesmaximal, characteristic, complemented
12C31×#1933C211yesmaximal, characteristic, complemented
13C31×#1877C211yesmaximal, characteristic
14C31×#1865C211yesmaximal, characteristic, complemented
15C31×#1770C211yesmaximal, characteristic, complemented
16C22×SD16×C31C2211yescharacteristic
17C22×SD16×C31C2211yescharacteristic
18C2×C31×C4⋊Q8C2211yescharacteristic
19C2×C31×#125C2211yescharacteristic
20C2×C4×Q8×C31C2211yescharacteristic
21C2×C4×D4×C31C2211yescharacteristic
22C31×#491—24no—
23C31×#440—24no—
24C2×C31×#107C2211yescharacteristic
25C2×C31×#106C2211yescharacteristic
26C2×C31×C4⋊C8C2211yescharacteristic
27C2×C31×#103C2211yescharacteristic
28C2×C31×#103C2211yescharacteristic
29C2×C31×#103C2211yescharacteristic
30C2×C31×#103C2211yescharacteristic
31C2×C31×#103C2211yescharacteristic
32C2×C31×#103C2211yescharacteristic
33C2×C31×#102C2211yescharacteristic
34C2×C31×#102C2211yescharacteristic
35C2×C31×#97C2211yescharacteristic
36C2×C31×#97C2211yescharacteristic
37C2×C4×C8×C31C2211yescharacteristic
38C31×#400—21no—
39C31×#399—21no—
40C31×#398—21no—
41C31×#396—21no—
42C31×#391C2211yescharacteristic
43C31×#391C2211yescharacteristic
44C31×#391C2211yescharacteristic
45C31×#390C2211yescharacteristic
46C31×#390C2211yescharacteristic
47C31×#389C2211yescharacteristic
48C31×#389C2211yescharacteristic
49C31×#389C2211yescharacteristic
50C31×#387—21no—
51C31×#387—21no—
52C31×#385—21no—
53C31×#380—21no—
54C4×C4⋊C4×C31C2211yescharacteristic
55C31×#340C2211yescharacteristic
56C31×#340C2211yescharacteristic
57C31×#340C2211yescharacteristic
58C31×#340C2211yescharacteristic
59C31×#336C2211yescharacteristic
60C31×#336C2211yescharacteristic
61C22×Q8×C31C2311yescharacteristic
62C22×Q8×C31C2311yescharacteristic
63C22×D4×C31C2311yescharacteristic
64C23×C4×C31—21no—
65C2×SD16×C31—22no—
66C2×SD16×C31—22no—
67C2×SD16×C31—22no—
68C2×SD16×C31—22no—
69C2×SD16×C31—22no—
70C2×SD16×C31—41no—
71C22×C8×C31C2311yescharacteristic
72C22×C8×C31C2311yescharacteristic
73C22×C8×C31C2311yescharacteristic
74C22×C8×C31C2311yescharacteristic
75C31×C4⋊Q8—22no—
76C31×C4⋊Q8—41no—
77C31×#125—22no—
78C31×#125—41no—
79C4×Q8×C31—22no—
80C4×Q8×C31—41no—
81C4×D4×C31—22no—
82C4×D4×C31—41no—
83C2×C4⋊C4×C31—21no—
84C2×C4⋊C4×C31—21no—
85C2×C4⋊C4×C31—21no—
86C2×C4⋊C4×C31—21no—
87C2×C4⋊C4×C31—21no—
88C2×C4⋊C4×C31—21no—
89C2×C4⋊C4×C31—21no—
90C2×C4⋊C4×C31—21no—
91C2×C4⋊C4×C31D411yescharacteristic
92C2×C4⋊C4×C31D411yescharacteristic
93C2×C4⋊C4×C31C2311yescharacteristic
94C2×C4⋊C4×C31C2311yescharacteristic
95C2×C4⋊C4×C31C2311yescharacteristic
96C2×C4⋊C4×C31C2311yescharacteristic
97C2×C4⋊C4×C31C2311yescharacteristic
98C2×C22⋊C4×C31—21no—
99C2×C22⋊C4×C31—21no—
100C2×C22⋊C4×C31—21no—
101C2×C22⋊C4×C31—21no—
102C2×C22⋊C4×C31—21no—
103C2×C42×C31—21no—
104C2×C42×C31C2311yescharacteristic
105C2×C42×C31C2311yescharacteristic
106C2×C42×C31C2311yescharacteristic
107C31×#107—22no—
108C31×#106—41no—
109C31×C4⋊C8—22no—
110C31×#103—22no—
111C31×#103—22no—
112C31×#103—22no—
113C31×#103—22no—
114C31×#103—22no—
115C31×#103D414yes—
116C31×#102—22no—
117C31×#102—22no—
118C31×#97—22no—
119C31×#97—22no—
120C4×C8×C31—22no—
121C31×#95—21no—
122C31×#95—21no—
123C31×#95—21no—
124C31×#95—21no—
125C31×#95—21no—
126C31×#95—21no—
127C31×#95—21no—
128C31×#95—21no—
129C31×#95—21no—
130C31×#95D411yescharacteristic
131C31×#95D411yescharacteristic
132C24×C31—21no—
133C2×Q8×C31—21no—
134C2×Q8×C31—21no—
135C2×Q8×C31—21no—
136C2×Q8×C31—21no—
137C2×Q8×C31—21no—
138C2×Q8×C31—21no—
139C2×Q8×C31—21no—
140C2×Q8×C31—21no—
141C2×Q8×C31—21no—
142C2×Q8×C31—21no—
143C2×Q8×C31—21no—
144C2×Q8×C31C2×D412yes—
145C2×D4×C31—21no—
146C2×D4×C31—21no—
147C2×D4×C31—21no—
148C2×D4×C31—21no—
149C2×D4×C31—21no—
150C2×D4×C31#4112yes—
151C22×C4×C31—21no—
152C22×C4×C31—21no—
153C22×C4×C31—21no—
154C22×C4×C31—21no—
155C22×C4×C31—21no—
156C22×C4×C31—21no—
157C22×C4×C31—21no—
158C22×C4×C31—42no—
159C22×C4×C31—42no—
160C22×C4×C31—81no—
161C22×C4×C31C2×D411yescharacteristic
162C22×C4×C31C2×D411yescharacteristic
163C22×C4×C31C2×D411yescharacteristic
164C22×C4×C31C2×D411yescharacteristic
165C22×C4×C31C2×D411yescharacteristic
166C22×C4×C31C2×D411yescharacteristic
167C22×C4×C31C2411yescharacteristic
168SD16×C31—28no—
169SD16×C31—44no—
170C2×C8×C31—21no—
171C2×C8×C31—21no—
172C2×C8×C31—21no—
173C2×C8×C31—21no—
174C2×C8×C31—21no—
175C2×C8×C31—21no—
176C2×C8×C31—21no—
177C2×C8×C31—21no—
178C2×C8×C31—21no—
179C2×C8×C31C2×D412yes—
180C2×C8×C31#4112yes—
181C2×C8×C31#4112yes—
182C4⋊C4×C31—22no—
183C4⋊C4×C31—21no—
184C4⋊C4×C31—21no—
185C4⋊C4×C31—21no—
186C4⋊C4×C31—21no—
187C4⋊C4×C31—21no—
188C4⋊C4×C31—21no—
189C4⋊C4×C31—21no—
190C4⋊C4×C31—21no—
191C4⋊C4×C31—21no—
192C4⋊C4×C31—41no—
193C4⋊C4×C31—42no—
194C4⋊C4×C31—42no—
195C4⋊C4×C31—42no—
196C4⋊C4×C31—42no—
197C4⋊C4×C31—42no—
198C4⋊C4×C31—42no—
199C4⋊C4×C31—81no—
200C4⋊C4×C31—81no—
201C4⋊C4×C31C2×D412yes—
202C22⋊C4×C31—42no—
203C22⋊C4×C31—42no—
204C22⋊C4×C31—81no—
205C22⋊C4×C31—81no—
206C22⋊C4×C31—81no—
207C42×C31—21no—
208C42×C31—21no—
209C42×C31—21no—
210C42×C31—21no—
211C42×C31—21no—
212C42×C31—21no—
213C42×C31—42no—
214#26845C3111yesmaximal, characteristic, direct product factor, Sylow
215C23×C31—22no—
216C23×C31—41no—
217C23×C31—41no—
218C23×C31—41no—
219C23×C31—41no—
220C23×C31—41no—
221C23×C31—41no—
222C23×C31C22×D411yescharacteristic
223Q8×C31—22no—
224Q8×C31—22no—
225Q8×C31—41no—
226Q8×C31—41no—
227Q8×C31—41no—
228Q8×C31—41no—
229Q8×C31—41no—
230Q8×C31—41no—
231D4×C31—22no—
232D4×C31—22no—
233D4×C31—41no—
234D4×C31—41no—
235C2×C4×C31—21no—
236C2×C4×C31—21no—
237C2×C4×C31—21no—
238C2×C4×C31—21no—
239C2×C4×C31—21no—
240C2×C4×C31—21no—
241C2×C4×C31—21no—
242C2×C4×C31—22no—
243C2×C4×C31—22no—
244C2×C4×C31—21no—
245C2×C4×C31—21no—
246C2×C4×C31—21no—
247C2×C4×C31—21no—
248C2×C4×C31—21no—
249C2×C4×C31—21no—
250C2×C4×C31—21no—
251C2×C4×C31—21no—
252C2×C4×C31—21no—
253C2×C4×C31—21no—
254C2×C4×C31—41no—
255C2×C4×C31—41no—
256C2×C4×C31—41no—
257C2×C4×C31—41no—
258C2×C4×C31—41no—
259C2×C4×C31—41no—
260C2×C4×C31—41no—
261C2×C4×C31—41no—
262C2×C4×C31—41no—
263C2×C4×C31—41no—
264C2×C4×C31—41no—
265C2×C4×C31—41no—
266C2×C4×C31—41no—
267C2×C4×C31—41no—
268C2×C4×C31—41no—
269C2×C4×C31—41no—
270C2×C4×C31—41no—
271C2×C4×C31—41no—
272C2×C4×C31—41no—
273C2×C4×C31—84no—
274C2×C4×C31#13712yes—
275C2×C4×C31C22×D411yescharacteristic
276C2×C4×C31C2×#4111yescharacteristic
277C2×C4×C31C2×#4111yescharacteristic
278C2×C4×C31C2×#4111yescharacteristic
279C2×C4×C31H(5,𝔽2)11yescharacteristic
280C2×C4×C312−1+411yescharacteristic
281C8×C31—22no—
282C8×C31—22no—
283C8×C31—22no—
284C8×C31—41no—
285C2×#491C2×C3111yescharacteristic, complemented
286C2×#440C2×C3111yescharacteristic
287#2454C2×C3111yescharacteristic
288#2446C2×C3111yescharacteristic, complemented
289#2068C2×C3111yescharacteristic, complemented
290#2059C2×C3111yescharacteristic, complemented
291#2055C2×C3111yescharacteristic
292#2013C2×C3111yescharacteristic
293#1968C2×C3111yescharacteristic
294#1936C2×C3111yescharacteristic
295#1935C2×C3111yescharacteristic, complemented
296#1933C2×C3111yescharacteristic, complemented
297#1877C2×C3111yescharacteristic
298#1865C2×C3111yescharacteristic, complemented
299#1770C2×C3111yescharacteristic, complemented
300C22×C31—42no—
301C22×C31—42no—
302C22×C31—42no—
303C22×C31—81no—
304C22×C31—81no—
305C22×C31—81no—
306C22×C31—81no—
307C22×C31#53211yescharacteristic
308C22×C31D4211yescharacteristic
309C22×C31#54811yescharacteristic
310C22×C31C2×#13711yescharacteristic
311C22×C31#57511yescharacteristic
312C22×C31#57711yescharacteristic
313C22×C31#57711yescharacteristic
314C4×C31—22no—
315C4×C31—41no—
316C4×C31—42no—
317C4×C31—41no—
318C4×C31—41no—
319C4×C31—42no—
320C4×C31—41no—
321C4×C31—41no—
322C4×C31—81no—
323C4×C31—81no—
324C4×C31—81no—
325C4×C31—81no—
326C4×C31—81no—
327C4×C31#52511yescharacteristic
328C4×C31#54211yescharacteristic
329C4×C31#54711yescharacteristic
330C4×C31#55111yescharacteristic
331C22×SD16C22×C3111yescharacteristic
332C22×SD16C22×C3111yescharacteristic
333C2×C4⋊Q8C22×C3111yescharacteristic
334C2×#125C22×C3111yescharacteristic
335C2×C4×Q8C22×C3111yescharacteristic
336C2×C4×D4C22×C3111yescharacteristic
337#491—24no—
338#440—24no—
339C2×#107C22×C3111yescharacteristic
340C2×#106C22×C3111yescharacteristic
341C2×C4⋊C8C22×C3111yescharacteristic
342C2×#103C22×C3111yescharacteristic
343C2×#103C22×C3111yescharacteristic
344C2×#103C22×C3111yescharacteristic
345C2×#103C22×C3111yescharacteristic
346C2×#103C22×C3111yescharacteristic
347C2×#103C22×C3111yescharacteristic
348C2×#102C22×C3111yescharacteristic
349C2×#102C22×C3111yescharacteristic
350C2×#97C22×C3111yescharacteristic
351C2×#97C22×C3111yescharacteristic
352C2×C4×C8C22×C3111yescharacteristic
353#400—21no—
354#399—21no—
355#398—21no—
356#396—21no—
357#391C22×C3111yescharacteristic
358#391C22×C3111yescharacteristic
359#391C22×C3111yescharacteristic
360#390C22×C3111yescharacteristic
361#390C22×C3111yescharacteristic
362#389C22×C3111yescharacteristic
363#389C22×C3111yescharacteristic
364#389C22×C3111yescharacteristic
365#387—21no—
366#387—21no—
367#385—21no—
368#380—21no—
369C4×C4⋊C4C22×C3111yescharacteristic
370#340C22×C3111yescharacteristic
371#340C22×C3111yescharacteristic
372#340C22×C3111yescharacteristic
373#340C22×C3111yescharacteristic
374#336C22×C3111yescharacteristic
375#336C22×C3111yescharacteristic
376C2×C31—82no—
377C2×C31#246111yescharacteristic
378C2×C31#317411yescharacteristic
379C2×C31#318111yescharacteristic
380C2×C31#327511yescharacteristic
381C2×C31#327811yescharacteristic
382C2×C31#337211yescharacteristic
383C2×C31#337611yescharacteristic
384C22×Q8C23×C3111yescharacteristic
385C22×Q8C23×C3111yescharacteristic
386C22×D4C23×C3111yescharacteristic
387C23×C4—21no—
388C2×SD16—22no—
389C2×SD16—22no—
390C2×SD16—22no—
391C2×SD16—22no—
392C2×SD16—22no—
393C2×SD16—41no—
394C22×C8C23×C3111yescharacteristic
395C22×C8C23×C3111yescharacteristic
396C22×C8C23×C3111yescharacteristic
397C22×C8C23×C3111yescharacteristic
398C4⋊Q8—22no—
399C4⋊Q8—41no—
400#125—22no—
401#125—41no—
402C4×Q8—22no—
403C4×Q8—41no—
404C4×D4—22no—
405C4×D4—41no—
406C2×C4⋊C4—21no—
407C2×C4⋊C4—21no—
408C2×C4⋊C4—21no—
409C2×C4⋊C4—21no—
410C2×C4⋊C4—21no—
411C2×C4⋊C4—21no—
412C2×C4⋊C4—21no—
413C2×C4⋊C4—21no—
414C2×C4⋊C4D4×C3111yescharacteristic
415C2×C4⋊C4D4×C3111yescharacteristic
416C2×C4⋊C4C23×C3111yescharacteristic
417C2×C4⋊C4C23×C3111yescharacteristic
418C2×C4⋊C4C23×C3111yescharacteristic
419C2×C4⋊C4C23×C3111yescharacteristic
420C2×C4⋊C4C23×C3111yescharacteristic
421C2×C22⋊C4—21no—
422C2×C22⋊C4—21no—
423C2×C22⋊C4—21no—
424C2×C22⋊C4—21no—
425C2×C22⋊C4—21no—
426C2×C42—21no—
427C2×C42C23×C3111yescharacteristic
428C2×C42C23×C3111yescharacteristic
429C2×C42C23×C3111yescharacteristic
430#107—22no—
431#106—41no—
432C4⋊C8—22no—
433#103—22no—
434#103—22no—
435#103—22no—
436#103—22no—
437#103—22no—
438#103D4×C3114yes—
439#102—22no—
440#102—22no—
441#97—22no—
442#97—22no—
443C4×C8—22no—
444#95—21no—
445#95—21no—
446#95—21no—
447#95—21no—
448#95—21no—
449#95—21no—
450#95—21no—
451#95—21no—
452#95—21no—
453#95D4×C3111yescharacteristic
454#95D4×C3111yescharacteristic
455C31#2684511yescharacteristic, direct product factor, Sylow
456C24—21no—
457C2×Q8—21no—
458C2×Q8—21no—
459C2×Q8—21no—
460C2×Q8—21no—
461C2×Q8—21no—
462C2×Q8—21no—
463C2×Q8—21no—
464C2×Q8—21no—
465C2×Q8—21no—
466C2×Q8—21no—
467C2×Q8—21no—
468C2×Q8C2×D4×C3112yes—
469C2×D4—21no—
470C2×D4—21no—
471C2×D4—21no—
472C2×D4—21no—
473C2×D4—21no—
474C2×D4#41×C3112yes—
475C22×C4—21no—
476C22×C4—21no—
477C22×C4—21no—
478C22×C4—21no—
479C22×C4—21no—
480C22×C4—21no—
481C22×C4—21no—
482C22×C4—42no—
483C22×C4—42no—
484C22×C4—81no—
485C22×C4C2×D4×C3111yescharacteristic
486C22×C4C2×D4×C3111yescharacteristic
487C22×C4C2×D4×C3111yescharacteristic
488C22×C4C2×D4×C3111yescharacteristic
489C22×C4C2×D4×C3111yescharacteristic
490C22×C4C2×D4×C3111yescharacteristic
491C22×C4C24×C3111yescharacteristic
492SD16—28no—
493SD16—44no—
494C2×C8—21no—
495C2×C8—21no—
496C2×C8—21no—
497C2×C8—21no—
498C2×C8—21no—
499C2×C8—21no—
500C2×C8—21no—
501C2×C8—21no—
502C2×C8—21no—
503C2×C8C2×D4×C3112yes—
504C2×C8#41×C3112yes—
505C2×C8#41×C3112yes—
506C4⋊C4—22no—
507C4⋊C4—21no—
508C4⋊C4—21no—
509C4⋊C4—21no—
510C4⋊C4—21no—
511C4⋊C4—21no—
512C4⋊C4—21no—
513C4⋊C4—21no—
514C4⋊C4—21no—
515C4⋊C4—21no—
516C4⋊C4—41no—
517C4⋊C4—42no—
518C4⋊C4—42no—
519C4⋊C4—42no—
520C4⋊C4—42no—
521C4⋊C4—42no—
522C4⋊C4—42no—
523C4⋊C4—81no—
524C4⋊C4—81no—
525C4⋊C4C2×D4×C3112yes—
526C22⋊C4—42no—
527C22⋊C4—42no—
528C22⋊C4—81no—
529C22⋊C4—81no—
530C22⋊C4—81no—
531C42—21no—
532C42—21no—
533C42—21no—
534C42—21no—
535C42—21no—
536C42—21no—
537C42—42no—
538C23—22no—
539C23—41no—
540C23—41no—
541C23—41no—
542C23—41no—
543C23—41no—
544C23—41no—
545C23C22×D4×C3111yescharacteristic
546Q8—22no—
547Q8—22no—
548Q8—41no—
549Q8—41no—
550Q8—41no—
551Q8—41no—
552Q8—41no—
553Q8—41no—
554D4—22no—
555D4—22no—
556D4—41no—
557D4—41no—
558C2×C4—21no—
559C2×C4—21no—
560C2×C4—21no—
561C2×C4—21no—
562C2×C4—21no—
563C2×C4—21no—
564C2×C4—21no—
565C2×C4—22no—
566C2×C4—22no—
567C2×C4—21no—
568C2×C4—21no—
569C2×C4—21no—
570C2×C4—21no—
571C2×C4—21no—
572C2×C4—21no—
573C2×C4—21no—
574C2×C4—21no—
575C2×C4—21no—
576C2×C4—21no—
577C2×C4—41no—
578C2×C4—41no—
579C2×C4—41no—
580C2×C4—41no—
581C2×C4—41no—
582C2×C4—41no—
583C2×C4—41no—
584C2×C4—41no—
585C2×C4—41no—
586C2×C4—41no—
587C2×C4—41no—
588C2×C4—41no—
589C2×C4—41no—
590C2×C4—41no—
591C2×C4—41no—
592C2×C4—41no—
593C2×C4—41no—
594C2×C4—41no—
595C2×C4—41no—
596C2×C4—84no—
597C2×C4C31×#13712yes—
598C2×C4C22×D4×C3111yescharacteristic
599C2×C4C2×#41×C3111yescharacteristic
600C2×C4C2×#41×C3111yescharacteristic
601C2×C4C2×#41×C3111yescharacteristic
602C2×C4C31×H(5,𝔽2)11yescharacteristic
603C2×C4C31×2−1+411yescharacteristic
604C8—22no—
605C8—22no—
606C8—22no—
607C8—41no—
608C22—42no—
609C22—42no—
610C22—42no—
611C22—81no—
612C22—81no—
613C22—81no—
614C22—81no—
615C22C31×#53211yescharacteristic
616C22D42×C3111yescharacteristic
617C22C31×#54811yescharacteristic
618C22C2×C31×#13711yescharacteristic
619C22C31×#57511yescharacteristic
620C22C31×#57711yescharacteristic
621C22C31×#57711yescharacteristic
622C4—22no—
623C4—41no—
624C4—42no—
625C4—41no—
626C4—41no—
627C4—42no—
628C4—41no—
629C4—41no—
630C4—81no—
631C4—81no—
632C4—81no—
633C4—81no—
634C4—81no—
635C4C31×#52511yescharacteristic
636C4C31×#54211yescharacteristic
637C4C31×#54711yescharacteristic
638C4C31×#55111yescharacteristic
639C2—82no—
640C2C31×#246111yescharacteristic
641C2C31×#317411yescharacteristic
642C2C31×#318111yescharacteristic
643C2C31×#327511yescharacteristic
644C2C31×#327811yescharacteristic
645C2C31×#337211yescharacteristic
646C2C31×#337611yescharacteristic
subgroupG/H
center, socleC23×C31C22×D4
commutator, Frattini, cosocleC22×C4C24×C31
prime radicalC22×D4×C31C23
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C31 ◁ C4×C4⋊C4×C31 ◁ G

Complements

Splittings G = N ⋊ H with N normal; H ≅ G/N.

NH ≅ G/Ntype
1. C2×C31×#491C2semidirect
4. C31×#2446C2semidirect
5. C31×#2068C2semidirect
6. C31×#2059C2semidirect
11. C31×#1935C2semidirect
12. C31×#1933C2semidirect
14. C31×#1865C2semidirect
15. C31×#1770C2semidirect
214. #26845C31direct (N × H)
285. C2×#491C2×C31semidirect
288. #2446C2×C31semidirect
289. #2068C2×C31semidirect
290. #2059C2×C31semidirect
295. #1935C2×C31semidirect
296. #1933C2×C31semidirect
298. #1865C2×C31semidirect
299. #1770C2×C31semidirect
455. C31#26845direct (N × H)

Maximal subgroups

By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.

subgroupindex
C2×C31×#4912
C2×C31×#4402
C31×#24542
C31×#24462
C31×#20682
C31×#20592
C31×#20552
C31×#20132
C31×#19682
C31×#19362
C31×#19352
C31×#19332
C31×#18772
C31×#18652
C31×#17702
#2684531