Finite Group Databasebeta

← C2×#26913 #6439652

Subgroups — C2×#26913 #6439652

Order 512.

2736 conjugacy classes of subgroups.

The subgroup lattice has 750 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C22×#478C211yesmaximal, characteristic, complemented
2C22×#440C211yesmaximal, characteristic, complemented
3C2×#2453C211yesmaximal, characteristic, complemented
4C2×#2366C211yesmaximal, characteristic
5#26913C2116yesmaximal, direct product factor
6C2×#2055C211yesmaximal, characteristic, complemented
7C2×#2041C211yesmaximal, characteristic
8C2×#2025C211yesmaximal, characteristic, complemented
9C2×#2014C211yesmaximal, characteristic
10C2×#1936C211yesmaximal, characteristic, complemented
11C2×#1927C211yesmaximal, characteristic, complemented
12C2×#1918C211yesmaximal, characteristic, complemented
13C2×#1917C211yesmaximal, characteristic, complemented
14C2×#1880C211yesmaximal, characteristic, complemented
15C2×#1877C211yesmaximal, characteristic, complemented
16C2×#1864C211yesmaximal, characteristic, complemented
17C23×SD16C2211yescharacteristic
18C23×SD16C2211yescharacteristic
19C22×#127C2211yescharacteristic
20C22×#125C2211yescharacteristic
21C22×C4×Q8C2211yescharacteristic
22C22×C4×D4—21no—
23C22×C4×D4C2211yescharacteristic
24C22×C4×D4C2211yescharacteristic
25C2×#478—28no—
26C2×#478C2218yescomplemented
27C2×#440—28no—
28C2×#440C2218yescomplemented
29C22×#107C2211yescharacteristic
30C22×#106C2211yescharacteristic
31C22×C4⋊C8C2211yescharacteristic
32C22×#103C2211yescharacteristic
33C22×#103C2211yescharacteristic
34C22×#102C2211yescharacteristic
35C22×#102C2211yescharacteristic
36C22×#102C2211yescharacteristic
37C22×#102C2211yescharacteristic
38C22×#102C2211yescharacteristic
39C22×#102C2211yescharacteristic
40C22×#97C2211yescharacteristic
41#2453—24no—
42#2453C2218yescomplemented
43C2×#400—21no—
44C2×#398—21no—
45#2366—24no—
46#2366C2218yes—
47C2×#391C2211yescharacteristic
48C2×#391C2211yescharacteristic
49C2×#390—21no—
50C2×#390C2211yescharacteristic
51C2×#390C2211yescharacteristic
52C2×#389—21no—
53C2×#389C2211yescharacteristic
54C2×#389C2211yescharacteristic
55C2×#387—21no—
56C2×#386—21no—
57C2×#386—21no—
58C2×C4×C4⋊C4C2211yescharacteristic
59C2×C4×C4⋊C4C2211yescharacteristic
60#2055C2218yescomplemented
61#2041C2218yes—
62#2025C2218yescomplemented
63#2014C2218yes—
64#1936C2218yescomplemented
65#1927C2218yescomplemented
66#1918C2218yescomplemented
67#1917C2218yescomplemented
68#1880C2218yescomplemented
69#1877C2218yescomplemented
70#1864C2218yescomplemented
71C2×#340C2211yescharacteristic
72C2×#340C2211yescharacteristic
73C2×#340C2211yescharacteristic
74C2×#340C2211yescharacteristic
75C2×#336C2211yescharacteristic
76C2×#336C2211yescharacteristic
77C2×#336C2211yescharacteristic
78C2×#336C2211yescharacteristic
79C23×Q8C2311yescharacteristic
80C23×D4—21no—
81C23×D4—21no—
82C23×D4C2311yescharacteristic
83C23×D4C2311yescharacteristic
84C24×C4—21no—
85C24×C4—21no—
86C22×SD16—24no—
87C22×SD16—24no—
88C22×SD16—24no—
89C22×SD16—24no—
90C22×SD16—24no—
91C22×SD16—42no—
92C22×SD16C2314yes—
93C22×SD16C2314yes—
94C23×C8C2311yescharacteristic
95C23×C8C2311yescharacteristic
96C23×C8C2311yescharacteristic
97C23×C8C2311yescharacteristic
98C2×#127—24no—
99C2×#127—24no—
100C2×#127—22no—
101C2×#127C2314yes—
102C2×#125—24no—
103C2×#125—22no—
104C2×#125—42no—
105C2×#125C2314yes—
106C2×C4×Q8—22no—
107C2×C4×Q8—24no—
108C2×C4×Q8—42no—
109C2×C4×Q8C2314yes—
110C2×C4×D4—28no—
111C2×C4×D4—24no—
112C2×C4×D4—24no—
113C2×C4×D4—22no—
114C2×C4×D4—22no—
115C2×C4×D4—42no—
116C2×C4×D4—42no—
117C2×C4×D4—48no—
118C2×C4×D4C2314yes—
119C2×C4×D4C2314yes—
120C22×C4⋊C4—21no—
121C22×C4⋊C4—21no—
122C22×C4⋊C4—21no—
123C22×C4⋊C4—21no—
124C22×C4⋊C4—21no—
125C22×C4⋊C4D411yescharacteristic
126C22×C4⋊C4D411yescharacteristic
127C22×C4⋊C4C2311yescharacteristic
128C22×C4⋊C4C2311yescharacteristic
129C22×C4⋊C4C2311yescharacteristic
130C22×C4⋊C4C2311yescharacteristic
131C22×C4⋊C4C2311yescharacteristic
132C22×C22⋊C4—21no—
133C22×C22⋊C4—21no—
134C22×C22⋊C4—21no—
135C22×C22⋊C4—21no—
136C22×C22⋊C4—21no—
137C22×C22⋊C4—21no—
138C22×C42—21no—
139C22×C42—21no—
140C22×C42C2311yescharacteristic
141C22×C42C2311yescharacteristic
142C22×C42C2311yescharacteristic
143#478—232no—
144#440—232no—
145C2×#107D418yescomplemented
146C2×#107C2314yes—
147C2×#106—24no—
148C2×#106C2314yes—
149C2×C4⋊C8—24no—
150C2×C4⋊C8C2314yes—
151C2×#103—24no—
152C2×#103—24no—
153C2×#103C2314yes—
154C2×#103C2314yes—
155C2×#102—24no—
156C2×#102—24no—
157C2×#102—24no—
158C2×#102—24no—
159C2×#102—24no—
160C2×#102—42no—
161C2×#102C2314yes—
162C2×#102C2314yes—
163C2×#102C2314yes—
164C2×#102C2314yes—
165C2×#102C2314yes—
166C2×#102C2314yes—
167C2×#97—24no—
168C2×#97C2314yes—
169#400—28no—
170#398—28no—
171#391—22no—
172#391—22no—
173#391C2314yes—
174#391C2314yes—
175#390—28no—
176#390—22no—
177#390—22no—
178#390C2314yes—
179#390C2314yes—
180#389—28no—
181#389—22no—
182#389—22no—
183#389C2314yes—
184#389C2314yes—
185#387—28no—
186#386—28no—
187#386—28no—
188C4×C4⋊C4—22no—
189C4×C4⋊C4D414yes—
190C4×C4⋊C4C2314yes—
191C4×C4⋊C4C2314yes—
192C2×#95—21no—
193C2×#95—21no—
194C2×#95—21no—
195C2×#95—21no—
196C2×#95—21no—
197C2×#95—21no—
198C2×#95—21no—
199C2×#95D411yescharacteristic
200C2×#95D411yescharacteristic
201#340C2314yes—
202#340C2314yes—
203#340C2314yes—
204#340C2314yes—
205#336C2314yes—
206#336C2314yes—
207#336C2314yes—
208#336C2314yes—
209C25—21no—
210C25—21no—
211C22×Q8—21no—
212C22×Q8—22no—
213C22×Q8—22no—
214C22×Q8—22no—
215C22×Q8—22no—
216C22×Q8—22no—
217C22×Q8#4114yes—
218C22×Q8C2412yes—
219C22×D4—28no—
220C22×D4—28no—
221C22×D4—22no—
222C22×D4—22no—
223C22×D4—21no—
224C22×D4—21no—
225C22×D4—24no—
226C22×D4—24no—
227C22×D4—22no—
228C22×D4—22no—
229C22×D4—22no—
230C22×D4—22no—
231C22×D4—22no—
232C22×D4—22no—
233C22×D4—22no—
234C22×D4—22no—
235C22×D4—44no—
236C22×D4—44no—
237C22×D4—82no—
238C22×D4—82no—
239C22×D4#4114yes—
240C22×D4#4114yes—
241C22×D4C2412yes—
242C22×D4C2412yes—
243C23×C4—21no—
244C23×C4—21no—
245C23×C4—21no—
246C23×C4—21no—
247C23×C4—21no—
248C23×C4—21no—
249C23×C4—24no—
250C23×C4—24no—
251C23×C4—44no—
252C23×C4—44no—
253C23×C4—44no—
254C23×C4—44no—
255C23×C4—82no—
256C23×C4—82no—
257C23×C4C2×D411yescharacteristic
258C23×C4C2×D411yescharacteristic
259C23×C4C2×D411yescharacteristic
260C23×C4C2×D411yescharacteristic
261C23×C4C2×D411yescharacteristic
262C23×C4C2×D411yescharacteristic
263C23×C4C2411yescharacteristic
264C2×SD16—232no—
265C2×SD16—28no—
266C2×SD16—28no—
267C2×SD16—28no—
268C2×SD16—28no—
269C2×SD16—28no—
270C2×SD16—44no—
271C2×SD16—416no—
272C22×C8—22no—
273C22×C8—22no—
274C22×C8—22no—
275C22×C8—22no—
276C22×C8—22no—
277C22×C8—22no—
278C22×C8—22no—
279C22×C8—22no—
280C22×C8—22no—
281C22×C8—22no—
282C22×C8—22no—
283C22×C8C2×D414yes—
284C22×C8C2412yes—
285C22×C8C2412yes—
286C22×C8C2412yes—
287C22×C8C2412yes—
288#127—216no—
289#127—28no—
290#127—28no—
291#125—28no—
292#125—44no—
293#125—48no—
294C4×Q8—28no—
295C4×Q8—44no—
296C4×Q8—48no—
297C4×D4—28no—
298C4×D4—28no—
299C4×D4—44no—
300C4×D4—44no—
301C4×D4—48no—
302C4×D4—48no—
303C4×D4—432no—
304C2×C4⋊C4—24no—
305C2×C4⋊C4—21no—
306C2×C4⋊C4—21no—
307C2×C4⋊C4—22no—
308C2×C4⋊C4—22no—
309C2×C4⋊C4—22no—
310C2×C4⋊C4—22no—
311C2×C4⋊C4—22no—
312C2×C4⋊C4—22no—
313C2×C4⋊C4—22no—
314C2×C4⋊C4—22no—
315C2×C4⋊C4—24no—
316C2×C4⋊C4—24no—
317C2×C4⋊C4—24no—
318C2×C4⋊C4—24no—
319C2×C4⋊C4—24no—
320C2×C4⋊C4—21no—
321C2×C4⋊C4—21no—
322C2×C4⋊C4—21no—
323C2×C4⋊C4—42no—
324C2×C4⋊C4—44no—
325C2×C4⋊C4—44no—
326C2×C4⋊C4—44no—
327C2×C4⋊C4—44no—
328C2×C4⋊C4—44no—
329C2×C4⋊C4C2×D414yes—
330C2×C4⋊C4C2×D414yes—
331C2×C4⋊C4C2×D414yes—
332C2×C4⋊C4C2×D414yes—
333C2×C4⋊C4C2412yes—
334C2×C4⋊C4C2412yes—
335C2×C4⋊C4C2412yes—
336C2×C4⋊C4C2412yes—
337C2×C4⋊C4C2412yes—
338C2×C22⋊C4—24no—
339C2×C22⋊C4—24no—
340C2×C22⋊C4—24no—
341C2×C22⋊C4—24no—
342C2×C22⋊C4—24no—
343C2×C22⋊C4—24no—
344C2×C22⋊C4—44no—
345C2×C22⋊C4—44no—
346C2×C22⋊C4—44no—
347C2×C22⋊C4—44no—
348C2×C22⋊C4—82no—
349C2×C22⋊C4—82no—
350C2×C42—22no—
351C2×C42—22no—
352C2×C42—22no—
353C2×C42—22no—
354C2×C42—22no—
355C2×C42—22no—
356C2×C42—24no—
357C2×C42—24no—
358C2×C42—44no—
359C2×C42—44no—
360C2×C42C2×D412yes—
361C2×C42C2×D412yes—
362C2×C42C2×D412yes—
363C2×C42C2412yes—
364C2×C42C2412yes—
365C2×C42C2412yes—
366#107C2×D4116yescomplemented
367#106—28no—
368C4⋊C8—28no—
369#103—28no—
370#103—28no—
371#102—28no—
372#102—28no—
373#102—28no—
374#102—28no—
375#102—28no—
376#102—44no—
377#97—28no—
378#95—24no—
379#95—24no—
380#95—24no—
381#95—24no—
382#95—24no—
383#95—24no—
384#95—24no—
385#95C2×D414yes—
386#95C2×D414yes—
387C24—24no—
388C24—24no—
389C24—22no—
390C24—22no—
391C24—42no—
392C24—42no—
393C24—42no—
394C24—42no—
395C24—42no—
396C24—42no—
397C24—42no—
398C24—42no—
399C24—42no—
400C24—42no—
401C24—42no—
402C24—42no—
403C24C22×D411yescharacteristic
404C2×Q8—24no—
405C2×Q8—22no—
406C2×Q8—28no—
407C2×Q8—28no—
408C2×Q8—22no—
409C2×Q8—22no—
410C2×Q8—22no—
411C2×Q8—22no—
412C2×Q8—42no—
413C2×Q8—44no—
414C2×Q8—42no—
415C2×Q8—44no—
416C2×Q8C2×#4114yes—
417C2×D4—216no—
418C2×D4—216no—
419C2×D4—28no—
420C2×D4—24no—
421C2×D4—24no—
422C2×D4—28no—
423C2×D4—28no—
424C2×D4—28no—
425C2×D4—22no—
426C2×D4—22no—
427C2×D4—22no—
428C2×D4—22no—
429C2×D4—22no—
430C2×D4—22no—
431C2×D4—22no—
432C2×D4—22no—
433C2×D4—22no—
434C2×D4—22no—
435C2×D4—432no—
436C2×D4—48no—
437C2×D4—44no—
438C2×D4—44no—
439C2×D4—42no—
440C2×D4—42no—
441C2×D4—44no—
442C2×D4—42no—
443C2×D4—42no—
444C2×D4—44no—
445C2×D4—48no—
446C2×D4—84no—
447C2×D4—84no—
448C2×D4—816no—
449C2×D4C2×#4114yes—
450C2×D4C2×#4114yes—
451C22×C4—22no—
452C22×C4—22no—
453C22×C4—22no—
454C22×C4—22no—
455C22×C4—22no—
456C22×C4—22no—
457C22×C4—22no—
458C22×C4—24no—
459C22×C4—24no—
460C22×C4—24no—
461C22×C4—22no—
462C22×C4—22no—
463C22×C4—22no—
464C22×C4—22no—
465C22×C4—22no—
466C22×C4—22no—
467C22×C4—22no—
468C22×C4—22no—
469C22×C4—22no—
470C22×C4—22no—
471C22×C4—22no—
472C22×C4—22no—
473C22×C4—22no—
474C22×C4—22no—
475C22×C4—22no—
476C22×C4—22no—
477C22×C4—48no—
478C22×C4—48no—
479C22×C4—48no—
480C22×C4—48no—
481C22×C4—42no—
482C22×C4—42no—
483C22×C4—42no—
484C22×C4—42no—
485C22×C4—42no—
486C22×C4—42no—
487C22×C4—42no—
488C22×C4—42no—
489C22×C4—42no—
490C22×C4—42no—
491C22×C4—42no—
492C22×C4—42no—
493C22×C4—42no—
494C22×C4—42no—
495C22×C4—42no—
496C22×C4—84no—
497C22×C4—84no—
498C22×C4—816no—
499C22×C4—816no—
500C22×C4AGL(1,ℤ/8)14yes—
501C22×C4C22×D412yes—
502C22×C4C22×D412yes—
503C22×C4C22×D412yes—
504C22×C4C22×D412yes—
505C22×C4C22×D412yes—
506C22×C4C22×D412yes—
507C22×C4C22×D411yescharacteristic
508C22×C4C22×D412yes—
509C22×C4C2×#4112yes—
510C22×C4C2×#4112yes—
511C22×C4C2×#4112yes—
512C22×C4H(5,𝔽2)12yes—
513C22×C42−1+412yes—
514C22×C4C2511yescharacteristic
515SD16—232no—
516SD16—416no—
517C2×C8—28no—
518C2×C8—22no—
519C2×C8—22no—
520C2×C8—22no—
521C2×C8—22no—
522C2×C8—22no—
523C2×C8—22no—
524C2×C8—22no—
525C2×C8—22no—
526C2×C8—22no—
527C2×C8—22no—
528C2×C8—22no—
529C2×C8—44no—
530C2×C8—44no—
531C2×C8—44no—
532C2×C8C22×D414yes—
533C4⋊C4—24no—
534C4⋊C4—24no—
535C4⋊C4—28no—
536C4⋊C4—22no—
537C4⋊C4—22no—
538C4⋊C4—22no—
539C4⋊C4—22no—
540C4⋊C4—22no—
541C4⋊C4—22no—
542C4⋊C4—22no—
543C4⋊C4—22no—
544C4⋊C4—44no—
545C4⋊C4—48no—
546C4⋊C4—48no—
547C4⋊C4—48no—
548C4⋊C4—48no—
549C4⋊C4—42no—
550C4⋊C4—42no—
551C4⋊C4—42no—
552C4⋊C4—48no—
553C4⋊C4C22×D414yes—
554C4⋊C4C22×D414yes—
555C22⋊C4—48no—
556C22⋊C4—48no—
557C22⋊C4—48no—
558C22⋊C4—48no—
559C22⋊C4—84no—
560C22⋊C4—84no—
561C42—24no—
562C42—24no—
563C42—24no—
564C42—22no—
565C42—22no—
566C42—22no—
567C42—22no—
568C42—22no—
569C42—22no—
570C42—48no—
571C42—48no—
572C23—24no—
573C23—24no—
574C23—48no—
575C23—48no—
576C23—48no—
577C23—48no—
578C23—42no—
579C23—42no—
580C23—42no—
581C23—42no—
582C23—48no—
583C23—48no—
584C23—42no—
585C23—42no—
586C23—42no—
587C23—42no—
588C23—42no—
589C23—42no—
590C23—42no—
591C23—42no—
592C23—84no—
593C23—84no—
594C23—84no—
595C23—84no—
596C23—84no—
597C23—84no—
598C23—84no—
599C23—84no—
600C23#52512yes—
601C23D4212yes—
602C23#54812yes—
603C23C2×AGL(1,ℤ/8)12yes—
604C23#57512yes—
605C23#57712yes—
606C23#57712yes—
607C23C23×D411yescharacteristic
608Q8—24no—
609Q8—24no—
610Q8—42no—
611Q8—42no—
612Q8—48no—
613D4—24no—
614D4—24no—
615D4—24no—
616D4—24no—
617D4—432no—
618D4—42no—
619D4—42no—
620D4—42no—
621D4—42no—
622D4—48no—
623D4—48no—
624D4—816no—
625C2×C4—28no—
626C2×C4—22no—
627C2×C4—22no—
628C2×C4—22no—
629C2×C4—22no—
630C2×C4—22no—
631C2×C4—22no—
632C2×C4—22no—
633C2×C4—24no—
634C2×C4—24no—
635C2×C4—24no—
636C2×C4—22no—
637C2×C4—22no—
638C2×C4—22no—
639C2×C4—22no—
640C2×C4—22no—
641C2×C4—22no—
642C2×C4—22no—
643C2×C4—22no—
644C2×C4—22no—
645C2×C4—22no—
646C2×C4—44no—
647C2×C4—42no—
648C2×C4—42no—
649C2×C4—48no—
650C2×C4—44no—
651C2×C4—44no—
652C2×C4—44no—
653C2×C4—44no—
654C2×C4—48no—
655C2×C4—48no—
656C2×C4—42no—
657C2×C4—42no—
658C2×C4—42no—
659C2×C4—42no—
660C2×C4—42no—
661C2×C4—42no—
662C2×C4—42no—
663C2×C4—42no—
664C2×C4—42no—
665C2×C4—42no—
666C2×C4—42no—
667C2×C4—42no—
668C2×C4—42no—
669C2×C4—816no—
670C2×C4—816no—
671C2×C4—84no—
672C2×C4—84no—
673C2×C4—84no—
674C2×C4#52514yes—
675C2×C4#52512yes—
676C2×C4#53914yes—
677C2×C4D4212yes—
678C2×C4#54814yes—
679C2×C4#54812yes—
680C2×C4#55114yes—
681C2×C4C2×AGL(1,ℤ/8)14yes—
682C2×C4C23×D411yescharacteristic
683C2×C4C22×#4111yescharacteristic
684C2×C4C22×#4111yescharacteristic
685C2×C4C22×#4111yescharacteristic
686C2×C4C2×H(5,𝔽2)11yescharacteristic
687C2×C4C2×2−1+411yescharacteristic
688C8—24no—
689C8—42no—
690C8—42no—
691C8—42no—
692C22—44no—
693C22—44no—
694C22—44no—
695C22—44no—
696C22—44no—
697C22—44no—
698C22—816no—
699C22—816no—
700C22—82no—
701C22—82no—
702C22—82no—
703C22—82no—
704C22—82no—
705C22—82no—
706C22—82no—
707C22—82no—
708C22#246314yes—
709C22#311414yes—
710C22#312314yes—
711C22#327114yes—
712C22#327214yes—
713C22#336814yes—
714C22#337114yes—
715C22C2×#52511yescharacteristic
716C22C2×D4211yescharacteristic
717C22C2×#54811yescharacteristic
718C22C22×AGL(1,ℤ/8)11yescharacteristic
719C22C2×#57511yescharacteristic
720C22C2×#57711yescharacteristic
721C22C2×#57711yescharacteristic
722C4—24no—
723C4—44no—
724C4—42no—
725C4—42no—
726C4—42no—
727C4—42no—
728C4—44no—
729C4—44no—
730C4—42no—
731C4—82no—
732C4—82no—
733C4—82no—
734C4#246314yes—
735C4C2×#52511yescharacteristic
736C4C2×#53911yescharacteristic
737C4C2×#54811yescharacteristic
738C4C2×#55111yescharacteristic
739C2—84no—
740C2—84no—
741C2#2691318yesdirect product factor
742C2C2×#246311yescharacteristic
743C2C2×#311411yescharacteristic
744C2C2×#312311yescharacteristic
745C2C2×#327111yescharacteristic
746C2C2×#327211yescharacteristic
747C2C2×#336811yescharacteristic
748C2C2×#337111yescharacteristic
subgroupG/H
center, socleC24C22×D4
commutator, Frattini, cosocleC22×C4C25
prime radicalC22×#127C22
LCSG ▷ C22×C4 ▷ C2 ▷ C1
UCSC1 ◁ C24 ◁ C2×C4×C4⋊C4 ◁ G
LECSG ▷ C22×C4 ▷ C2 ▷ C1

Complements

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

NH ≅ G/Ntype
1. C22×#478C2semidirect
2. C22×#440C2semidirect
3. C2×#2453C2semidirect
5. #26913C2direct (N × H)
6. C2×#2055C2semidirect
8. C2×#2025C2semidirect
10. C2×#1936C2semidirect
11. C2×#1927C2semidirect
12. C2×#1918C2semidirect
13. C2×#1917C2semidirect
14. C2×#1880C2semidirect
15. C2×#1877C2semidirect
16. C2×#1864C2semidirect
26. C2×#478C22semidirect
28. C2×#440C22semidirect
42. #2453C22semidirect
60. #2055C22semidirect
62. #2025C22semidirect
64. #1936C22semidirect
65. #1927C22semidirect
66. #1918C22semidirect
67. #1917C22semidirect
68. #1880C22semidirect
69. #1877C22semidirect
70. #1864C22semidirect
145. C2×#107D4semidirect
366. #107C2×D4semidirect
741. C2#26913direct (N × H)

Maximal subgroups

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

subgroupindex
C22×#4782
C22×#4402
C2×#24532
C2×#23662
#269132
C2×#20552
C2×#20412
C2×#20252
C2×#20142
C2×#19362
C2×#19272
C2×#19182
C2×#19172
C2×#18802
C2×#18772
C2×#18642