Finite Group Databasebeta

← C2×#24839 #6445606

Subgroups — C2×#24839 #6445606

Order 512.

2810 conjugacy classes of subgroups.

The subgroup lattice has 726 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C22×#478C211yesmaximal, characteristic, complemented
2C23×C4⋊C8C211yesmaximal, characteristic, complemented
3C2×#2851C211yesmaximal, characteristic, complemented
4C2×C4×#121C211yesmaximal, characteristic
5#24839C2116yesmaximal, direct product factor
6C2×#2087C211yesmaximal, characteristic, complemented
7C2×#2088C211yesmaximal, characteristic, complemented
8C2×#2067C211yesmaximal, characteristic, complemented
9C2×#2065C211yesmaximal, characteristic, complemented
10C2×#1989C211yesmaximal, characteristic, complemented
11C2×#1949C211yesmaximal, characteristic, complemented
12C2×#1893C211yesmaximal, characteristic
13C2×#1893C211yesmaximal, characteristic
14C2×#1808C211yesmaximal, characteristic, complemented
15C2×#1807C211yesmaximal, characteristic, complemented
16C2×#1804C211yesmaximal, characteristic, complemented
17C24×C8C2211yescharacteristic
18C24×C8C2211yescharacteristic
19C22×#125C2211yescharacteristic
20C22×#121C2211yescharacteristic
21C22×C4×D4—21no—
22C22×C4×D4C2211yescharacteristic
23C23×C42C2211yescharacteristic
24C2×#478—28no—
25C2×#478C2218yescomplemented
26C22×#107C2211yescharacteristic
27C22×#107C2211yescharacteristic
28C22×#106C2211yescharacteristic
29C22×#106C2211yescharacteristic
30C22×C4⋊C8—28no—
31C22×C4⋊C8C2211yescharacteristic
32C22×C4⋊C8C2211yescharacteristic
33C22×C4⋊C8C2211yescharacteristic
34C22×C4⋊C8C2211yescharacteristic
35C22×C4⋊C8C2218yescomplemented
36C22×#102C2211yescharacteristic
37C22×#102C2211yescharacteristic
38C22×#102C2211yescharacteristic
39C22×#102C2211yescharacteristic
40#2851—24no—
41#2851C2218yescomplemented
42C4×#121—24no—
43C4×#121C2218yes—
44C2×#390C2211yescharacteristic
45C2×#389C2211yescharacteristic
46C2×#389C2211yescharacteristic
47C2×#389C2211yescharacteristic
48C2×#388—21no—
49C2×#387—21no—
50C2×#387—21no—
51C2×#386—21no—
52C2×#385—21no—
53C2×#385—21no—
54C2×#382C2211yescharacteristic
55C2×#380C2211yescharacteristic
56C2×#380C2211yescharacteristic
57C2×#380C2211yescharacteristic
58C2×C4×C4⋊C4C2211yescharacteristic
59C2×C4×C22⋊C4—21no—
60#2088C2218yescomplemented
61#2087C2218yescomplemented
62#2067C2218yescomplemented
63#2065C2218yescomplemented
64#1989C2218yescomplemented
65#1949C2218yescomplemented
66#1893C2218yes—
67#1893C2218yes—
68#1808C2218yescomplemented
69#1807C2218yescomplemented
70#1804C2218yescomplemented
71C2×#340C2211yescharacteristic
72C2×#340C2211yescharacteristic
73C2×#340C2211yescharacteristic
74C2×#340C2211yescharacteristic
75C2×#340C2211yescharacteristic
76C2×#340C2211yescharacteristic
77C2×#340C2211yescharacteristic
78C2×#340C2211yescharacteristic
79C23×D4—21no—
80C23×D4C2311yescharacteristic
81C24×C4—21no—
82C24×C4D411yescharacteristic
83C24×C4D411yescharacteristic
84C24×C4C2311yescharacteristic
85C23×C8—24no—
86C23×C8—24no—
87C23×C8—24no—
88C23×C8—24no—
89C23×C8—42no—
90C23×C8—42no—
91C23×C8C2311yescharacteristic
92C23×C8C2311yescharacteristic
93C23×C8C2314yes—
94C23×C8C2314yes—
95C23×C8C2311yescharacteristic
96C23×C8C2311yescharacteristic
97C2×#125—22no—
98C2×#125—24no—
99C2×#125—24no—
100C2×#125C2314yes—
101C2×#121—22no—
102C2×#121—24no—
103C2×#121Q818yes—
104C2×#121C2314yes—
105C2×C4×D4—28no—
106C2×C4×D4—22no—
107C2×C4×D4—24no—
108C2×C4×D4—24no—
109C2×C4×D4—48no—
110C2×C4×D4C2314yes—
111C22×C4⋊C4—21no—
112C22×C4⋊C4—21no—
113C22×C4⋊C4—21no—
114C22×C4⋊C4—21no—
115C22×C4⋊C4—21no—
116C22×C4⋊C4C2311yescharacteristic
117C22×C4⋊C4C2311yescharacteristic
118C22×C4⋊C4C2311yescharacteristic
119C22×C4⋊C4C2311yescharacteristic
120C22×C4⋊C4C2311yescharacteristic
121C22×C4⋊C4C2311yescharacteristic
122C22×C4⋊C4C2311yescharacteristic
123C22×C22⋊C4—21no—
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×C42—24no—
131C22×C42—24no—
132C22×C42—21no—
133C22×C42D414yes—
134C22×C42D411yescharacteristic
135C22×C42D411yescharacteristic
136C22×C42C2314yes—
137C22×C42C2311yescharacteristic
138C22×C42C2311yescharacteristic
139#478—232no—
140C2×#107—24no—
141C2×#107—42no—
142C2×#107C2314yes—
143C2×#107C2314yes—
144C2×#106—24no—
145C2×#106—42no—
146C2×#106C2314yes—
147C2×#106C2314yes—
148C2×C4⋊C8—24no—
149C2×C4⋊C8—24no—
150C2×C4⋊C8—24no—
151C2×C4⋊C8—232no—
152C2×C4⋊C8D418yescomplemented
153C2×C4⋊C8C2314yes—
154C2×C4⋊C8C2314yes—
155C2×C4⋊C8C2314yes—
156C2×C4⋊C8C2314yes—
157C2×#102—24no—
158C2×#102—24no—
159C2×#102—42no—
160C2×#102—42no—
161C2×#102C2314yes—
162C2×#102C2314yes—
163C2×#102C2314yes—
164C2×#102C2314yes—
165#390—22no—
166#390C2314yes—
167#389—22no—
168#389—22no—
169#389—22no—
170#389C2314yes—
171#389C2314yes—
172#389C2314yes—
173#388—28no—
174#387—28no—
175#387—28no—
176#386—28no—
177#385—28no—
178#385—28no—
179#382—22no—
180#382C2314yes—
181#380—22no—
182#380—22no—
183#380—22no—
184#380C2314yes—
185#380C2314yes—
186#380C2314yes—
187C4×C4⋊C4—22no—
188C4×C4⋊C4C2314yes—
189C4×C22⋊C4—28no—
190C2×#95—21no—
191C2×#95—21no—
192C2×#95—21no—
193C2×#95—21no—
194C2×#95—21no—
195C2×#95—21no—
196C2×#95—21no—
197C2×#95—21no—
198C2×#95—21no—
199#340C2314yes—
200#340C2314yes—
201#340C2314yes—
202#340C2314yes—
203#340C2314yes—
204#340C2314yes—
205#340C2314yes—
206#340C2314yes—
207C25—21no—
208C25C2×D411yescharacteristic
209C22×D4—28no—
210C22×D4—24no—
211C22×D4—22no—
212C22×D4—21no—
213C22×D4—22no—
214C22×D4—22no—
215C22×D4—22no—
216C22×D4—22no—
217C22×D4—44no—
218C22×D4—44no—
219C22×D4C2×Q814yes—
220C22×D4C2412yes—
221C23×C4—24no—
222C23×C4—24no—
223C23×C4—24no—
224C23×C4—22no—
225C23×C4—22no—
226C23×C4—22no—
227C23×C4—22no—
228C23×C4—24no—
229C23×C4—21no—
230C23×C4—24no—
231C23×C4—21no—
232C23×C4—21no—
233C23×C4—21no—
234C23×C4—21no—
235C23×C4—21no—
236C23×C4—21no—
237C23×C4—24no—
238C23×C4—42no—
239C23×C4—44no—
240C23×C4—44no—
241C23×C4—44no—
242C23×C4C2×D414yes—
243C23×C4C2×D411yescharacteristic
244C23×C4C2×D414yes—
245C23×C4C2×D411yescharacteristic
246C23×C4C2×D411yescharacteristic
247C23×C4C2×D412yes—
248C23×C4C2×D411yescharacteristic
249C23×C4C2×D411yescharacteristic
250C23×C4C2×Q814yes—
251C23×C4#4114yes—
252C23×C4C2412yes—
253C23×C4C2411yescharacteristic
254C22×C8—22no—
255C22×C8—22no—
256C22×C8—22no—
257C22×C8—22no—
258C22×C8—22no—
259C22×C8—22no—
260C22×C8—28no—
261C22×C8—28no—
262C22×C8—22no—
263C22×C8—22no—
264C22×C8—22no—
265C22×C8—22no—
266C22×C8—28no—
267C22×C8—28no—
268C22×C8—44no—
269C22×C8—44no—
270C22×C8—416no—
271C22×C8—416no—
272C22×C8C2×D414yes—
273C22×C8C2×D414yes—
274C22×C8C2412yes—
275C22×C8C2412yes—
276C22×C8C2412yes—
277C22×C8C2412yes—
278#125—28no—
279#125—28no—
280#125—48no—
281#121—216no—
282#121—28no—
283#121C2×Q8116yes—
284C4×D4—28no—
285C4×D4—28no—
286C4×D4—432no—
287C4×D4—48no—
288C2×C4⋊C4—21no—
289C2×C4⋊C4—22no—
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—22no—
300C2×C4⋊C4—22no—
301C2×C4⋊C4—22no—
302C2×C4⋊C4—24no—
303C2×C4⋊C4—24no—
304C2×C4⋊C4—24no—
305C2×C4⋊C4—24no—
306C2×C4⋊C4—24no—
307C2×C4⋊C4—21no—
308C2×C4⋊C4—21no—
309C2×C4⋊C4—21no—
310C2×C4⋊C4—21no—
311C2×C4⋊C4—21no—
312C2×C4⋊C4—21no—
313C2×C4⋊C4—44no—
314C2×C4⋊C4—44no—
315C2×C4⋊C4—44no—
316C2×C4⋊C4—44no—
317C2×C4⋊C4—44no—
318C2×C4⋊C4C2×Q814yes—
319C2×C4⋊C4C2412yes—
320C2×C4⋊C4C2412yes—
321C2×C4⋊C4C2412yes—
322C2×C4⋊C4C2412yes—
323C2×C4⋊C4C2412yes—
324C2×C4⋊C4C2412yes—
325C2×C4⋊C4C2412yes—
326C2×C22⋊C4—28no—
327C2×C22⋊C4—24no—
328C2×C22⋊C4—24no—
329C2×C22⋊C4—24no—
330C2×C22⋊C4—24no—
331C2×C22⋊C4—24no—
332C2×C22⋊C4—24no—
333C2×C22⋊C4—24no—
334C2×C22⋊C4—44no—
335C2×C22⋊C4—44no—
336C2×C22⋊C4—44no—
337C2×C22⋊C4—44no—
338C2×C22⋊C4—44no—
339C2×C22⋊C4—44no—
340C2×C42—24no—
341C2×C42—24no—
342C2×C42—22no—
343C2×C42—22no—
344C2×C42—216no—
345C2×C42—28no—
346C2×C42—28no—
347C2×C42—24no—
348C2×C42—44no—
349C2×C42C2×D414yes—
350C2×C42C2×D414yes—
351C2×C42C2×D412yes—
352C2×C42C2×D412yes—
353C2×C42C2×D414yes—
354C2×C42#4114yes—
355C2×C42C2412yes—
356C2×C42C2412yes—
357#107—28no—
358#107—44no—
359#106—28no—
360#106—44no—
361C4⋊C8—28no—
362C4⋊C8—28no—
363C4⋊C8—28no—
364C4⋊C8C2×D4116yescomplemented
365#102—28no—
366#102—28no—
367#102—44no—
368#102—44no—
369#95—24no—
370#95—24no—
371#95—24no—
372#95—24no—
373#95—24no—
374#95—24no—
375#95—24no—
376#95—24no—
377#95—24no—
378C24—22no—
379C24—22no—
380C24—22no—
381C24—22no—
382C24—24no—
383C24—22no—
384C24—42no—
385C24—42no—
386C24—42no—
387C24—42no—
388C24—42no—
389C24—42no—
390C24C22⋊Q814yes—
391C24#13514yes—
392C24AGL(1,ℤ/8)14yes—
393C24C22×D412yes—
394C24C22×D411yescharacteristic
395C2×D4—216no—
396C2×D4—24no—
397C2×D4—28no—
398C2×D4—28no—
399C2×D4—22no—
400C2×D4—22no—
401C2×D4—22no—
402C2×D4—22no—
403C2×D4—22no—
404C2×D4—48no—
405C2×D4—48no—
406C2×D4—432no—
407C2×D4—42no—
408C2×D4—42no—
409C2×D4—44no—
410C2×D4—44no—
411C2×D4C22×Q814yes—
412C22×C4—232no—
413C22×C4—22no—
414C22×C4—22no—
415C22×C4—22no—
416C22×C4—28no—
417C22×C4—22no—
418C22×C4—22no—
419C22×C4—22no—
420C22×C4—22no—
421C22×C4—22no—
422C22×C4—28no—
423C22×C4—24no—
424C22×C4—24no—
425C22×C4—28no—
426C22×C4—28no—
427C22×C4—28no—
428C22×C4—28no—
429C22×C4—28no—
430C22×C4—22no—
431C22×C4—22no—
432C22×C4—22no—
433C22×C4—22no—
434C22×C4—22no—
435C22×C4—24no—
436C22×C4—22no—
437C22×C4—28no—
438C22×C4—22no—
439C22×C4—22no—
440C22×C4—28no—
441C22×C4—22no—
442C22×C4—22no—
443C22×C4—22no—
444C22×C4—22no—
445C22×C4—22no—
446C22×C4—22no—
447C22×C4—44no—
448C22×C4—416no—
449C22×C4—48no—
450C22×C4—48no—
451C22×C4—42no—
452C22×C4—42no—
453C22×C4—42no—
454C22×C4—42no—
455C22×C4—42no—
456C22×C4—42no—
457C22×C4—42no—
458C22×C4—42no—
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—42no—
468C22×C4—42no—
469C22×C4—42no—
470C22×C4—42no—
471C22×C4—48no—
472C22×C4—816no—
473C22×C4#12114yes—
474C22×C4#12114yes—
475C22×C4C22⋊Q814yes—
476C22×C4C22⋊Q818yes—
477C22×C4#13514yes—
478C22×C4C22×D412yes—
479C22×C4C22×D412yes—
480C22×C4C22×D412yes—
481C22×C4C22×D412yes—
482C22×C4C22×D412yes—
483C22×C4C22×D411yescharacteristic
484C22×C4C22×D412yes—
485C22×C4C22×Q814yes—
486C22×C4C22×Q812yes—
487C22×C4C2×#4114yes—
488C22×C4C2×#4112yes—
489C22×C4C2×#4112yes—
490C22×C4H(5,𝔽2)12yes—
491C22×C42−1+412yes—
492C22×C4C2511yescharacteristic
493C2×C8—28no—
494C2×C8—28no—
495C2×C8—22no—
496C2×C8—22no—
497C2×C8—22no—
498C2×C8—22no—
499C2×C8—22no—
500C2×C8—22no—
501C2×C8—22no—
502C2×C8—22no—
503C2×C8—22no—
504C2×C8—22no—
505C2×C8—416no—
506C2×C8—416no—
507C2×C8—44no—
508C2×C8—44no—
509C2×C8C22×D414yes—
510C2×C8C22×D414yes—
511C4⋊C4—24no—
512C4⋊C4—22no—
513C4⋊C4—22no—
514C4⋊C4—22no—
515C4⋊C4—22no—
516C4⋊C4—22no—
517C4⋊C4—22no—
518C4⋊C4—22no—
519C4⋊C4—22no—
520C4⋊C4—22no—
521C4⋊C4—22no—
522C4⋊C4—22no—
523C4⋊C4—22no—
524C4⋊C4—22no—
525C4⋊C4—48no—
526C4⋊C4—48no—
527C4⋊C4—42no—
528C4⋊C4—42no—
529C4⋊C4—42no—
530C4⋊C4—48no—
531C4⋊C4—48no—
532C4⋊C4—42no—
533C4⋊C4—42no—
534C4⋊C4—42no—
535C4⋊C4—48no—
536C4⋊C4C22×Q814yes—
537C22⋊C4—216no—
538C22⋊C4—48no—
539C22⋊C4—48no—
540C22⋊C4—48no—
541C22⋊C4—48no—
542C22⋊C4—48no—
543C22⋊C4—48no—
544C42—28no—
545C42—28no—
546C42—24no—
547C42—22no—
548C42—22no—
549C42—48no—
550C42#12118yes—
551C42C22×D414yes—
552C42C2×#4114yes—
553C23—28no—
554C23—22no—
555C23—28no—
556C23—22no—
557C23—28no—
558C23—28no—
559C23—28no—
560C23—28no—
561C23—22no—
562C23—22no—
563C23—24no—
564C23—48no—
565C23—48no—
566C23—42no—
567C23—48no—
568C23—42no—
569C23—42no—
570C23—42no—
571C23—42no—
572C23—42no—
573C23—84no—
574C23—84no—
575C23—84no—
576C23—84no—
577C23#478116yescomplemented
578C23C2×#12112yes—
579C23C2×C22⋊Q814yes—
580C23C2×C22⋊Q812yes—
581C23#53712yes—
582C23C2×#13514yes—
583C23C2×#13512yes—
584C23C2×#13512yes—
585C23C2×AGL(1,ℤ/8)14yes—
586C23C2×AGL(1,ℤ/8)12yes—
587C23#57512yes—
588C23C23×D411yescharacteristic
589D4—24no—
590D4—24no—
591D4—432no—
592D4—48no—
593D4—42no—
594D4—42no—
595C2×C4—232no—
596C2×C4—22no—
597C2×C4—22no—
598C2×C4—28no—
599C2×C4—22no—
600C2×C4—28no—
601C2×C4—28no—
602C2×C4—28no—
603C2×C4—22no—
604C2×C4—22no—
605C2×C4—22no—
606C2×C4—22no—
607C2×C4—22no—
608C2×C4—216no—
609C2×C4—24no—
610C2×C4—24no—
611C2×C4—24no—
612C2×C4—24no—
613C2×C4—22no—
614C2×C4—24no—
615C2×C4—22no—
616C2×C4—22no—
617C2×C4—416no—
618C2×C4—48no—
619C2×C4—44no—
620C2×C4—42no—
621C2×C4—42no—
622C2×C4—42no—
623C2×C4—42no—
624C2×C4—42no—
625C2×C4—42no—
626C2×C4—42no—
627C2×C4—42no—
628C2×C4—42no—
629C2×C4—42no—
630C2×C4—42no—
631C2×C4—42no—
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—816no—
641C2×C4—84no—
642C2×C4—84no—
643C2×C4—84no—
644C2×C4—84no—
645C2×C4—84no—
646C2×C4—84no—
647C2×C4C2×#12114yes—
648C2×C4C2×#12114yes—
649C2×C4C2×#12112yes—
650C2×C4C2×C22⋊Q814yes—
651C2×C4C2×C22⋊Q812yes—
652C2×C4#53712yes—
653C2×C4#54614yes—
654C2×C4D4×Q814yes—
655C2×C4#55214yes—
656C2×C4#55414yes—
657C2×C4C2×#13514yes—
658C2×C4C23×D411yescharacteristic
659C2×C4C23×Q811yescharacteristic
660C2×C4C22×#4111yescharacteristic
661C2×C4C22×#4111yescharacteristic
662C2×C4C2×H(5,𝔽2)11yescharacteristic
663C2×C4C2×2−1+411yescharacteristic
664C8—24no—
665C8—24no—
666C8—42no—
667C8—42no—
668C22—232no—
669C22—24no—
670C22—24no—
671C22—24no—
672C22—24no—
673C22—24no—
674C22—24no—
675C22—44no—
676C22—44no—
677C22—44no—
678C22—816no—
679C22—82no—
680C22—82no—
681C22—82no—
682C22—82no—
683C22#241714yes—
684C22#305014yes—
685C22#305514yes—
686C22C2×#47814yes—
687C22C2×#47818yescomplemented
688C22#307614yes—
689C22#324714yes—
690C22#325014yes—
691C22C22×#12111yescharacteristic
692C22C22×C22⋊Q811yescharacteristic
693C22C2×#53711yescharacteristic
694C22C22×#13511yescharacteristic
695C22C22×#13511yescharacteristic
696C22C22×AGL(1,ℤ/8)11yescharacteristic
697C22C2×#57511yescharacteristic
698C4—24no—
699C4—24no—
700C4—24no—
701C4—24no—
702C4—42no—
703C4—44no—
704C4—82no—
705C4—82no—
706C4—82no—
707C4—82no—
708C4—82no—
709C4—82no—
710C4#241714yes—
711C4C2×#54611yescharacteristic
712C4C2×D4×Q811yescharacteristic
713C4C2×#55211yescharacteristic
714C4C2×#55411yescharacteristic
715C2—28no—
716C2—84no—
717C2#2483918yesdirect product factor
718C2C2×#241711yescharacteristic
719C2C2×#305011yescharacteristic
720C2C2×#305511yescharacteristic
721C2C22×#47811yescharacteristic
722C2C2×#307611yescharacteristic
723C2C2×#324711yescharacteristic
724C2C2×#325011yescharacteristic
subgroupG/H
center, socleC24C22×D4
commutator, Frattini, cosocleC22×C4C25
prime radicalC22×#121C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C24 ◁ C23×C42 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
1. C22×#478C2semidirect
2. C23×C4⋊C8C2semidirect
3. C2×#2851C2semidirect
5. #24839C2direct (N × H)
6. C2×#2087C2semidirect
7. C2×#2088C2semidirect
8. C2×#2067C2semidirect
9. C2×#2065C2semidirect
10. C2×#1989C2semidirect
11. C2×#1949C2semidirect
14. C2×#1808C2semidirect
15. C2×#1807C2semidirect
16. C2×#1804C2semidirect
25. C2×#478C22semidirect
35. C22×C4⋊C8C22semidirect
41. #2851C22semidirect
60. #2088C22semidirect
61. #2087C22semidirect
62. #2067C22semidirect
63. #2065C22semidirect
64. #1989C22semidirect
65. #1949C22semidirect
68. #1808C22semidirect
69. #1807C22semidirect
70. #1804C22semidirect
152. C2×C4⋊C8D4semidirect
364. C4⋊C8C2×D4semidirect
577. C23#478semidirect
687. C22C2×#478semidirect
717. C2#24839direct (N × H)

Maximal subgroups

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

subgroupindex
C22×#4782
C23×C4⋊C82
C2×#28512
C2×C4×#1212
#248392
C2×#20872
C2×#20882
C2×#20672
C2×#20652
C2×#19892
C2×#19492
C2×#18932
C2×#18082
C2×#18072
C2×#18042