Finite Group Databasebeta

← C2×#26741 #6441145

Subgroups — C2×#26741 #6441145

Order 512.

2364 conjugacy classes of subgroups.

The subgroup lattice has 732 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×#2491C211yesmaximal, characteristic
2C2×#2360C211yesmaximal, characteristic, complemented
3#26741C2116yesmaximal, direct product factor
4C2×#2055C211yesmaximal, characteristic, complemented
5C2×#2035C211yesmaximal, characteristic, complemented
6C2×#2024C211yesmaximal, characteristic, complemented
7C2×#2000C211yesmaximal, characteristic
8C2×#1987C211yesmaximal, characteristic, complemented
9C2×#1936C211yesmaximal, characteristic, complemented
10C2×#1926C211yesmaximal, characteristic, complemented
11C2×#1924C211yesmaximal, characteristic, complemented
12C2×#1919C211yesmaximal, characteristic, complemented
13C2×#1880C211yesmaximal, characteristic, complemented
14C2×#1874C211yesmaximal, characteristic
15C2×#1823C211yesmaximal, characteristic, complemented
16C2×#1763C211yesmaximal, characteristic, complemented
17C23×SD16C2211yescharacteristic
18C22×C4⋊Q8C2211yescharacteristic
19C22×#124—21no—
20C22×C22⋊Q8C2211yescharacteristic
21C22×#121C2211yescharacteristic
22C22×C4×Q8C2211yescharacteristic
23C23×C4⋊C4C2211yescharacteristic
24C22×#106C2211yescharacteristic
25C22×C4⋊C8C2211yescharacteristic
26C22×#103C2211yescharacteristic
27C22×#103C2211yescharacteristic
28C22×#103C2211yescharacteristic
29C22×#102C2211yescharacteristic
30C22×#102C2211yescharacteristic
31C22×#102C2211yescharacteristic
32C22×C22⋊C8C2211yescharacteristic
33C22×C22⋊C8C2211yescharacteristic
34C22×#97C2211yescharacteristic
35#2491—24no—
36#2491C2218yes—
37C2×#394—21no—
38C2×#393—21no—
39#2360—24no—
40#2360C2218yescomplemented
41C2×#391C2211yescharacteristic
42C2×#390C2211yescharacteristic
43C2×#390C2211yescharacteristic
44C2×#389—21no—
45C2×#389C2211yescharacteristic
46C2×#388—21no—
47C2×#387—21no—
48C2×#385—21no—
49C2×#380C2211yescharacteristic
50C2×C4×C4⋊C4C2211yescharacteristic
51C2×C4×C4⋊C4C2211yescharacteristic
52C2×C4×C22⋊C4—21no—
53C2×C4×C22⋊C4C2211yescharacteristic
54#2055C2218yescomplemented
55#2035C2218yescomplemented
56#2024C2218yescomplemented
57#2000C2218yes—
58#1987C2218yescomplemented
59#1936C2218yescomplemented
60#1926C2218yescomplemented
61#1924C2218yescomplemented
62#1919C2218yescomplemented
63#1880C2218yescomplemented
64#1874C2218yes—
65#1823C2218yescomplemented
66#1763C2218yescomplemented
67C2×#340C2211yescharacteristic
68C2×#340C2211yescharacteristic
69C2×#340C2211yescharacteristic
70C2×#340C2211yescharacteristic
71C2×#340C2211yescharacteristic
72C2×#340C2211yescharacteristic
73C2×#340C2211yescharacteristic
74C2×#340C2211yescharacteristic
75C2×#336C2211yescharacteristic
76C2×#336C2211yescharacteristic
77C23×Q8—21no—
78C23×Q8C2311yescharacteristic
79C23×D4—21no—
80C23×D4C2311yescharacteristic
81C24×C4—21no—
82C24×C4C2311yescharacteristic
83C22×SD16—24no—
84C22×SD16—42no—
85C22×SD16—42no—
86C22×SD16C2314yes—
87C23×C8C2311yescharacteristic
88C23×C8C2311yescharacteristic
89C23×C8C2311yescharacteristic
90C23×C8C2311yescharacteristic
91C2×C4⋊Q8—24no—
92C2×C4⋊Q8—22no—
93C2×C4⋊Q8—42no—
94C2×C4⋊Q8C2314yes—
95C2×#124—28no—
96C2×#124—48no—
97C2×C22⋊Q8—24no—
98C2×C22⋊Q8—22no—
99C2×C22⋊Q8—24no—
100C2×C22⋊Q8C2314yes—
101C2×#121—22no—
102C2×#121—24no—
103C2×#121—42no—
104C2×#121C2314yes—
105C2×C4×Q8—22no—
106C2×C4×Q8—24no—
107C2×C4×Q8—42no—
108C2×C4×Q8C2314yes—
109C22×C4⋊C4—21no—
110C22×C4⋊C4—24no—
111C22×C4⋊C4—22no—
112C22×C4⋊C4—21no—
113C22×C4⋊C4—21no—
114C22×C4⋊C4—21no—
115C22×C4⋊C4—21no—
116C22×C4⋊C4—42no—
117C22×C4⋊C4C2311yescharacteristic
118C22×C4⋊C4C2311yescharacteristic
119C22×C4⋊C4C2311yescharacteristic
120C22×C4⋊C4C2314yes—
121C22×C4⋊C4C2311yescharacteristic
122C22×C4⋊C4C2311yescharacteristic
123C22×C4⋊C4C2311yescharacteristic
124C22×C22⋊C4—21no—
125C22×C22⋊C4—21no—
126C22×C22⋊C4—21no—
127C22×C22⋊C4—21no—
128C22×C22⋊C4—21no—
129C22×C22⋊C4—21no—
130C22×C22⋊C4—21no—
131C22×C22⋊C4D411yescharacteristic
132C22×C22⋊C4D411yescharacteristic
133C22×C42—21no—
134C22×C42—21no—
135C22×C42—21no—
136C22×C42C2311yescharacteristic
137C22×C42C2311yescharacteristic
138C2×#106—24no—
139C2×#106C2314yes—
140C2×C4⋊C8—42no—
141C2×C4⋊C8C2314yes—
142C2×#103—24no—
143C2×#103—24no—
144C2×#103—42no—
145C2×#103C2314yes—
146C2×#103C2314yes—
147C2×#103C2314yes—
148C2×#102—24no—
149C2×#102—24no—
150C2×#102—42no—
151C2×#102C2314yes—
152C2×#102C2314yes—
153C2×#102C2314yes—
154C2×C22⋊C8—42no—
155C2×C22⋊C8—42no—
156C2×C22⋊C8C2314yes—
157C2×C22⋊C8C2314yes—
158C2×#97—42no—
159C2×#97C2314yes—
160#394—28no—
161#393—28no—
162#391—22no—
163#391C2314yes—
164#390—22no—
165#390—22no—
166#390C2314yes—
167#390C2314yes—
168#389—22no—
169#389—28no—
170#389C2314yes—
171#388—28no—
172#387—28no—
173#385—28no—
174#380—22no—
175#380C2314yes—
176C4×C4⋊C4—22no—
177C4×C4⋊C4—22no—
178C4×C4⋊C4C2314yes—
179C4×C4⋊C4C2314yes—
180C4×C22⋊C4—28no—
181C4×C22⋊C4D414yes—
182C4×C22⋊C4C2314yes—
183C2×#95—21no—
184C2×#95—21no—
185C2×#95—21no—
186C2×#95—21no—
187C2×#95—21no—
188C2×#95—21no—
189C2×#95D411yescharacteristic
190C2×#95D411yescharacteristic
191#340C2314yes—
192#340C2314yes—
193#340C2314yes—
194#340C2314yes—
195#340C2314yes—
196#340C2314yes—
197#340C2314yes—
198#340C2314yes—
199#336C2314yes—
200#336C2314yes—
201C25—21no—
202C25C2×D411yescharacteristic
203C22×Q8—21no—
204C22×Q8—24no—
205C22×Q8—22no—
206C22×Q8—22no—
207C22×Q8—22no—
208C22×Q8—22no—
209C22×Q8—22no—
210C22×Q8—44no—
211C22×Q8—44no—
212C22×Q8—82no—
213C22×Q8#4114yes—
214C22×Q8C2412yes—
215C22×D4—24no—
216C22×D4—21no—
217C22×D4—22no—
218C22×D4—22no—
219C22×D4—22no—
220C22×D4—22no—
221C22×D4—22no—
222C22×D4—22no—
223C22×D4—44no—
224C22×D4—44no—
225C22×D4—82no—
226C22×D4C2412yes—
227C23×C4—21no—
228C23×C4—21no—
229C23×C4—21no—
230C23×C4—21no—
231C23×C4—22no—
232C23×C4—22no—
233C23×C4—22no—
234C23×C4—22no—
235C23×C4—22no—
236C23×C4—22no—
237C23×C4—21no—
238C23×C4—21no—
239C23×C4—21no—
240C23×C4—24no—
241C23×C4—44no—
242C23×C4—44no—
243C23×C4—82no—
244C23×C4C2×D412yes—
245C23×C4C2×D411yescharacteristic
246C23×C4C2×D411yescharacteristic
247C23×C4C2×D411yescharacteristic
248C23×C4C2×D411yescharacteristic
249C23×C4C2×D411yescharacteristic
250C23×C4C2412yes—
251C23×C4C2411yescharacteristic
252C2×SD16—28no—
253C2×SD16—44no—
254C2×SD16—44no—
255C2×SD16—416no—
256C22×C8—22no—
257C22×C8—22no—
258C22×C8—22no—
259C22×C8—22no—
260C22×C8—22no—
261C22×C8—22no—
262C22×C8—22no—
263C22×C8—22no—
264C22×C8—22no—
265C22×C8—22no—
266C22×C8—22no—
267C22×C8—22no—
268C22×C8C2412yes—
269C22×C8C2412yes—
270C22×C8C2412yes—
271C22×C8C2412yes—
272C4⋊Q8—28no—
273C4⋊Q8—44no—
274C4⋊Q8—48no—
275#124—432no—
276C22⋊Q8—216no—
277C22⋊Q8—28no—
278C22⋊Q8—28no—
279#121—28no—
280#121—44no—
281#121—48no—
282C4×Q8—28no—
283C4×Q8—44no—
284C4×Q8—48no—
285C2×C4⋊C4—28no—
286C2×C4⋊C4—21no—
287C2×C4⋊C4—24no—
288C2×C4⋊C4—21no—
289C2×C4⋊C4—21no—
290C2×C4⋊C4—22no—
291C2×C4⋊C4—22no—
292C2×C4⋊C4—22no—
293C2×C4⋊C4—22no—
294C2×C4⋊C4—22no—
295C2×C4⋊C4—22no—
296C2×C4⋊C4—22no—
297C2×C4⋊C4—22no—
298C2×C4⋊C4—22no—
299C2×C4⋊C4—28no—
300C2×C4⋊C4—24no—
301C2×C4⋊C4—21no—
302C2×C4⋊C4—24no—
303C2×C4⋊C4—24no—
304C2×C4⋊C4—21no—
305C2×C4⋊C4—21no—
306C2×C4⋊C4—24no—
307C2×C4⋊C4—44no—
308C2×C4⋊C4—48no—
309C2×C4⋊C4—44no—
310C2×C4⋊C4—44no—
311C2×C4⋊C4—44no—
312C2×C4⋊C4—82no—
313C2×C4⋊C4#4114yes—
314C2×C4⋊C4#4114yes—
315C2×C4⋊C4#4114yes—
316C2×C4⋊C4C2412yes—
317C2×C4⋊C4C2412yes—
318C2×C4⋊C4C2412yes—
319C2×C4⋊C4C2412yes—
320C2×C4⋊C4C2412yes—
321C2×C4⋊C4C2412yes—
322C2×C22⋊C4—28no—
323C2×C22⋊C4—24no—
324C2×C22⋊C4—24no—
325C2×C22⋊C4—24no—
326C2×C22⋊C4—24no—
327C2×C22⋊C4—24no—
328C2×C22⋊C4—24no—
329C2×C22⋊C4—24no—
330C2×C22⋊C4—24no—
331C2×C22⋊C4—24no—
332C2×C22⋊C4—44no—
333C2×C22⋊C4—44no—
334C2×C22⋊C4—44no—
335C2×C22⋊C4—44no—
336C2×C22⋊C4—44no—
337C2×C22⋊C4—82no—
338C2×C22⋊C4C2×D414yes—
339C2×C22⋊C4C2×D414yes—
340C2×C42—22no—
341C2×C42—22no—
342C2×C42—22no—
343C2×C42—22no—
344C2×C42—24no—
345C2×C42—24no—
346C2×C42—24no—
347C2×C42—44no—
348C2×C42—44no—
349C2×C42—82no—
350C2×C42C2×D412yes—
351C2×C42C2×D412yes—
352C2×C42C2412yes—
353C2×C42C2412yes—
354#106—28no—
355C4⋊C8—44no—
356#103—28no—
357#103—28no—
358#103—44no—
359#102—28no—
360#102—28no—
361#102—44no—
362C22⋊C8—44no—
363C22⋊C8—44no—
364#97—44no—
365#95—24no—
366#95—24no—
367#95—24no—
368#95—24no—
369#95—24no—
370#95—24no—
371#95C2×D414yes—
372#95C2×D414yes—
373C24—22no—
374C24—22no—
375C24—22no—
376C24—22no—
377C24—22no—
378C24—22no—
379C24—22no—
380C24—42no—
381C24—42no—
382C24—42no—
383C24—42no—
384C24—42no—
385C24—42no—
386C24—42no—
387C24AGL(1,ℤ/8)14yes—
388C24C22×D412yes—
389C24C22×D411yescharacteristic
390C2×Q8—24no—
391C2×Q8—22no—
392C2×Q8—28no—
393C2×Q8—28no—
394C2×Q8—22no—
395C2×Q8—22no—
396C2×Q8—22no—
397C2×Q8—22no—
398C2×Q8—48no—
399C2×Q8—48no—
400C2×Q8—42no—
401C2×Q8—42no—
402C2×Q8—44no—
403C2×Q8—44no—
404C2×Q8—84no—
405C2×Q8—816no—
406C2×Q8C2×#4114yes—
407C2×D4—22no—
408C2×D4—22no—
409C2×D4—22no—
410C2×D4—22no—
411C2×D4—22no—
412C2×D4—22no—
413C2×D4—48no—
414C2×D4—48no—
415C2×D4—42no—
416C2×D4—44no—
417C2×D4—44no—
418C2×D4—42no—
419C2×D4—42no—
420C2×D4—44no—
421C2×D4—44no—
422C2×D4—84no—
423C2×D4—816no—
424C22×C4—22no—
425C22×C4—22no—
426C22×C4—24no—
427C22×C4—24no—
428C22×C4—22no—
429C22×C4—22no—
430C22×C4—22no—
431C22×C4—22no—
432C22×C4—24no—
433C22×C4—22no—
434C22×C4—24no—
435C22×C4—22no—
436C22×C4—22no—
437C22×C4—22no—
438C22×C4—22no—
439C22×C4—22no—
440C22×C4—22no—
441C22×C4—22no—
442C22×C4—22no—
443C22×C4—22no—
444C22×C4—22no—
445C22×C4—22no—
446C22×C4—24no—
447C22×C4—24no—
448C22×C4—24no—
449C22×C4—22no—
450C22×C4—22no—
451C22×C4—22no—
452C22×C4—22no—
453C22×C4—22no—
454C22×C4—22no—
455C22×C4—22no—
456C22×C4—22no—
457C22×C4—22no—
458C22×C4—48no—
459C22×C4—42no—
460C22×C4—42no—
461C22×C4—42no—
462C22×C4—42no—
463C22×C4—42no—
464C22×C4—42no—
465C22×C4—42no—
466C22×C4—42no—
467C22×C4—44no—
468C22×C4—44no—
469C22×C4—44no—
470C22×C4—44no—
471C22×C4—42no—
472C22×C4—42no—
473C22×C4—42no—
474C22×C4—42no—
475C22×C4—42no—
476C22×C4—48no—
477C22×C4—42no—
478C22×C4—42no—
479C22×C4—42no—
480C22×C4—42no—
481C22×C4—84no—
482C22×C4—816no—
483C22×C4#13714yes—
484C22×C4C22×D412yes—
485C22×C4C22×D412yes—
486C22×C4C22×D412yes—
487C22×C4C22×D412yes—
488C22×C4C22×D412yes—
489C22×C4C22×D411yescharacteristic
490C22×C4C2×#4112yes—
491C22×C4C2×#4112yes—
492C22×C4C2×#4112yes—
493C22×C4C2×#4112yes—
494C22×C4H(5,𝔽2)12yes—
495C22×C4H(5,𝔽2)12yes—
496C22×C4C2511yescharacteristic
497SD16—416no—
498C2×C8—22no—
499C2×C8—22no—
500C2×C8—22no—
501C2×C8—22no—
502C2×C8—22no—
503C2×C8—22no—
504C2×C8—22no—
505C2×C8—22no—
506C2×C8—22no—
507C2×C8—22no—
508C2×C8—22no—
509C2×C8—22no—
510C2×C8—44no—
511C2×C8—44no—
512C2×C8—44no—
513C2×C8—44no—
514C4⋊C4—216no—
515C4⋊C4—24no—
516C4⋊C4—24no—
517C4⋊C4—24no—
518C4⋊C4—22no—
519C4⋊C4—22no—
520C4⋊C4—22no—
521C4⋊C4—22no—
522C4⋊C4—22no—
523C4⋊C4—22no—
524C4⋊C4—22no—
525C4⋊C4—22no—
526C4⋊C4—22no—
527C4⋊C4—48no—
528C4⋊C4—48no—
529C4⋊C4—48no—
530C4⋊C4—42no—
531C4⋊C4—42no—
532C4⋊C4—42no—
533C4⋊C4—84no—
534C4⋊C4C2×#4114yes—
535C4⋊C4C2×#4114yes—
536C4⋊C4C2×#4114yes—
537C22⋊C4—216no—
538C22⋊C4—28no—
539C22⋊C4—28no—
540C22⋊C4—48no—
541C22⋊C4—48no—
542C22⋊C4—48no—
543C22⋊C4—48no—
544C22⋊C4—48no—
545C22⋊C4—84no—
546C42—24no—
547C42—24no—
548C42—22no—
549C42—22no—
550C42—22no—
551C42—22no—
552C42—48no—
553C42—48no—
554C42—84no—
555C23—28no—
556C23—22no—
557C23—22no—
558C23—22no—
559C23—28no—
560C23—28no—
561C23—22no—
562C23—22no—
563C23—22no—
564C23—44no—
565C23—44no—
566C23—44no—
567C23—44no—
568C23—42no—
569C23—42no—
570C23—42no—
571C23—42no—
572C23—42no—
573C23—42no—
574C23—42no—
575C23—84no—
576C23—84no—
577C23—84no—
578C23—84no—
579C23—84no—
580C23—84no—
581C23—84no—
582C23#52512yes—
583C23#54612yes—
584C23#54612yes—
585C23C2×AGL(1,ℤ/8)14yes—
586C23C2×AGL(1,ℤ/8)12yes—
587C23C2×#13712yes—
588C23#57712yes—
589C23#57712yes—
590C23C23×D411yescharacteristic
591Q8—24no—
592Q8—24no—
593Q8—42no—
594Q8—42no—
595Q8—48no—
596Q8—816no—
597D4—42no—
598D4—42no—
599D4—42no—
600D4—42no—
601D4—816no—
602D4—84no—
603C2×C4—22no—
604C2×C4—28no—
605C2×C4—22no—
606C2×C4—24no—
607C2×C4—24no—
608C2×C4—22no—
609C2×C4—22no—
610C2×C4—22no—
611C2×C4—22no—
612C2×C4—24no—
613C2×C4—22no—
614C2×C4—24no—
615C2×C4—22no—
616C2×C4—22no—
617C2×C4—22no—
618C2×C4—22no—
619C2×C4—22no—
620C2×C4—22no—
621C2×C4—22no—
622C2×C4—44no—
623C2×C4—48no—
624C2×C4—42no—
625C2×C4—42no—
626C2×C4—44no—
627C2×C4—48no—
628C2×C4—44no—
629C2×C4—48no—
630C2×C4—44no—
631C2×C4—48no—
632C2×C4—42no—
633C2×C4—42no—
634C2×C4—42no—
635C2×C4—42no—
636C2×C4—42no—
637C2×C4—42no—
638C2×C4—42no—
639C2×C4—42no—
640C2×C4—42no—
641C2×C4—42no—
642C2×C4—48no—
643C2×C4—42no—
644C2×C4—42no—
645C2×C4—42no—
646C2×C4—42no—
647C2×C4—42no—
648C2×C4—42no—
649C2×C4—42no—
650C2×C4—42no—
651C2×C4—42no—
652C2×C4—816no—
653C2×C4—84no—
654C2×C4—84no—
655C2×C4—84no—
656C2×C4#52512yes—
657C2×C4#52914yes—
658C2×C4#53814yes—
659C2×C4#54612yes—
660C2×C4#54612yes—
661C2×C4#55514yes—
662C2×C4#55914yes—
663C2×C4C2×#13714yes—
664C2×C4C22×#4111yescharacteristic
665C2×C4C22×#4111yescharacteristic
666C2×C4C22×#4111yescharacteristic
667C2×C4C22×#4111yescharacteristic
668C2×C4C2×H(5,𝔽2)11yescharacteristic
669C2×C4C2×H(5,𝔽2)11yescharacteristic
670C8—42no—
671C8—42no—
672C8—42no—
673C8—42no—
674C22—24no—
675C22—24no—
676C22—24no—
677C22—42no—
678C22—416no—
679C22—42no—
680C22—42no—
681C22—42no—
682C22—82no—
683C22—82no—
684C22—82no—
685C22—82no—
686C22—82no—
687C22—82no—
688C22—82no—
689C22—168no—
690C22#245914yes—
691C22#311214yes—
692C22#312514yes—
693C22#330614yes—
694C22#331014yes—
695C22#331614yes—
696C22#332914yes—
697C22C2×#52511yescharacteristic
698C22C2×#54611yescharacteristic
699C22C2×#54611yescharacteristic
700C22C22×AGL(1,ℤ/8)11yescharacteristic
701C22C22×#13711yescharacteristic
702C22C2×#57711yescharacteristic
703C22C2×#57711yescharacteristic
704C4—24no—
705C4—42no—
706C4—44no—
707C4—44no—
708C4—42no—
709C4—44no—
710C4—42no—
711C4—44no—
712C4—42no—
713C4—82no—
714C4—82no—
715C4—82no—
716C4#245914yes—
717C4C2×#52911yescharacteristic
718C4C2×#53811yescharacteristic
719C4C2×#55511yescharacteristic
720C4C2×#55911yescharacteristic
721C2—44no—
722C2—162no—
723C2#2674118yesdirect product factor
724C2C2×#245911yescharacteristic
725C2C2×#311211yescharacteristic
726C2C2×#312511yescharacteristic
727C2C2×#330611yescharacteristic
728C2C2×#331011yescharacteristic
729C2C2×#331611yescharacteristic
730C2C2×#332911yescharacteristic
subgroupG/H
center, socleC24C22×D4
commutator, Frattini, cosocleC22×C4C25
prime radicalC22×#121C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C24 ◁ C2×C4×C22⋊C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
2. C2×#2360C2semidirect
3. #26741C2direct (N × H)
4. C2×#2055C2semidirect
5. C2×#2035C2semidirect
6. C2×#2024C2semidirect
8. C2×#1987C2semidirect
9. C2×#1936C2semidirect
10. C2×#1926C2semidirect
11. C2×#1924C2semidirect
12. C2×#1919C2semidirect
13. C2×#1880C2semidirect
15. C2×#1823C2semidirect
16. C2×#1763C2semidirect
40. #2360C22semidirect
54. #2055C22semidirect
55. #2035C22semidirect
56. #2024C22semidirect
58. #1987C22semidirect
59. #1936C22semidirect
60. #1926C22semidirect
61. #1924C22semidirect
62. #1919C22semidirect
63. #1880C22semidirect
65. #1823C22semidirect
66. #1763C22semidirect
723. C2#26741direct (N × H)

Maximal subgroups

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

subgroupindex
C2×#24912
C2×#23602
#267412
C2×#20552
C2×#20352
C2×#20242
C2×#20002
C2×#19872
C2×#19362
C2×#19262
C2×#19242
C2×#19192
C2×#18802
C2×#18742
C2×#18232
C2×#17632