Finite Group Databasebeta

← C17×#21624 #16879368

Subgroups — C17×#21624 #16879368

Order 4352.

876 conjugacy classes of subgroups.

The subgroup lattice has 608 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#subgroupG/Hclass sizemultiplicitynormal?properties
1C2×C17×#474C211yesmaximal, characteristic
2C17×#2331C211yesmaximal, characteristic, complemented
3C17×#2275C211yesmaximal, characteristic
4C17×#1987C211yesmaximal, characteristic, complemented
5C17×#1949C211yesmaximal, characteristic, complemented
6C17×#1921C211yesmaximal, characteristic, complemented
7C17×#1918C211yesmaximal, characteristic, complemented
8C17×#1864C211yesmaximal, characteristic
9C17×#1862C211yesmaximal, characteristic
10C17×#1804C211yesmaximal, characteristic
11C17×#1776C211yesmaximal, characteristic, complemented
12C4×C17×#107C211yesmaximal, characteristic, complemented
13C17×#1768C211yesmaximal, characteristic, complemented
14C17×#1762C211yesmaximal, characteristic
15C4×C17×#102C211yesmaximal, characteristic
16C2×C17×C4⋊Q8C2211yescharacteristic
17C2×C4×D4×C17C2211yescharacteristic
18C2×C4×D4×C17C2211yescharacteristic
19C2×C4×D4×C17C2211yescharacteristic
20C17×#474C418yescomplemented
21C2×C17×#107C2211yescharacteristic
22C2×C17×#107C2211yescharacteristic
23C2×C17×#107C2211yescharacteristic
24C2×C17×#106C2211yescharacteristic
25C2×C17×C4⋊C8C2211yescharacteristic
26C2×C17×C4⋊C8C2211yescharacteristic
27C2×C17×#102C2211yescharacteristic
28C2×C17×#102C2211yescharacteristic
29C2×C17×#102C2211yescharacteristic
30C2×C17×#102C2211yescharacteristic
31C2×C17×#97C2211yescharacteristic
32C2×C4×C8×C17C2211yescharacteristic
33C17×#391—21no—
34C17×#391—21no—
35C17×#389C2211yescharacteristic
36C17×#389C2211yescharacteristic
37C17×#387—21no—
38C17×#387—21no—
39C17×#382C2211yescharacteristic
40C4×C4⋊C4×C17C2211yescharacteristic
41C4×C4⋊C4×C17C2211yescharacteristic
42C4×C4⋊C4×C17C2211yescharacteristic
43C4×C4⋊C4×C17C2211yescharacteristic
44C4×C4⋊C4×C17C2211yescharacteristic
45C4×C22⋊C4×C17—21no—
46C4×C22⋊C4×C17—21no—
47C4×C22⋊C4×C17—21no—
48C17×#376C2211yescharacteristic
49C2×C17×#95—21no—
50C17×#340C2211yescharacteristic
51C17×#340C2211yescharacteristic
52C17×#340C2211yescharacteristic
53C17×#340C2211yescharacteristic
54C17×#340C2211yescharacteristic
55C17×#340C2211yescharacteristic
56C17×#340C2211yescharacteristic
57C17×#340C2211yescharacteristic
58C17×#336C2211yescharacteristic
59C17×#336C2211yescharacteristic
60C22×Q8×C17—21no—
61C22×D4×C17C2311yescharacteristic
62C23×C4×C17—21no—
63C23×C4×C17—21no—
64C23×C4×C17—21no—
65C22×C8×C17C2311yescharacteristic
66C22×C8×C17C2311yescharacteristic
67C22×C8×C17C2311yescharacteristic
68C22×C8×C17C2311yescharacteristic
69C17×C4⋊Q8—22no—
70C17×C4⋊Q8C2×C414yescomplemented
71C4×D4×C17—22no—
72C4×D4×C17—22no—
73C4×D4×C17—22no—
74C4×D4×C17—22no—
75C4×D4×C17C2×C414yes—
76C4×D4×C17Q814yescomplemented
77C2×C4⋊C4×C17—21no—
78C2×C4⋊C4×C17—21no—
79C2×C4⋊C4×C17—21no—
80C2×C4⋊C4×C17C2311yescharacteristic
81C2×C4⋊C4×C17C2311yescharacteristic
82C2×C4⋊C4×C17C2311yescharacteristic
83C2×C4⋊C4×C17C2311yescharacteristic
84C2×C4⋊C4×C17C2311yescharacteristic
85C2×C4⋊C4×C17C2311yescharacteristic
86C2×C4⋊C4×C17C2311yescharacteristic
87C2×C22⋊C4×C17—21no—
88C2×C22⋊C4×C17—21no—
89C2×C22⋊C4×C17—21no—
90C2×C42×C17—21no—
91C2×C42×C17—21no—
92C2×C42×C17—21no—
93C2×C42×C17—21no—
94C2×C42×C17—21no—
95C2×C42×C17C2311yescharacteristic
96C2×C42×C17C2311yescharacteristic
97C2×C42×C17C2311yescharacteristic
98C17×#107—22no—
99C17×#107C2×C414yescomplemented
100C17×#107C2×C414yescomplemented
101C17×#106—22no—
102C17×C4⋊C8—22no—
103C17×C4⋊C8C2×C414yescomplemented
104C17×#102—22no—
105C17×#102—22no—
106C17×#102C2×C414yes—
107C17×#102C2×C414yes—
108C17×#97—22no—
109C4×C8×C17—22no—
110C17×#95—21no—
111C17×#95—21no—
112C17×#95—21no—
113C17×#95—21no—
114C17×#95—21no—
115C17×#95—21no—
116C17×#95—21no—
117C17×#95—21no—
118C17×#95—21no—
119C17×#95D411yescharacteristic
120C17×#95D411yescharacteristic
121C17×#95D411yescharacteristic
122C17×#95D411yescharacteristic
123C24×C17—21no—
124C2×Q8×C17—24no—
125C2×Q8×C17—81no—
126C2×Q8×C17—81no—
127C2×D4×C17—21no—
128C2×D4×C17—21no—
129C2×D4×C17—21no—
130C2×D4×C17C22×C412yes—
131C2×D4×C17C2×Q812yes—
132C2×D4×C17#4112yes—
133C22×C4×C17—21no—
134C22×C4×C17—21no—
135C22×C4×C17—21no—
136C22×C4×C17—21no—
137C22×C4×C17—21no—
138C22×C4×C17—24no—
139C22×C4×C17—24no—
140C22×C4×C17—24no—
141C22×C4×C17—21no—
142C22×C4×C17—21no—
143C22×C4×C17—81no—
144C22×C4×C17—81no—
145C22×C4×C17—81no—
146C22×C4×C17—81no—
147C22×C4×C17—81no—
148C22×C4×C17—81no—
149C22×C4×C17C2×D411yescharacteristic
150C22×C4×C17C2×D411yescharacteristic
151C22×C4×C17C2×D411yescharacteristic
152C22×C4×C17C2×D411yescharacteristic
153C22×C4×C17C2×D411yescharacteristic
154C22×C4×C17C2×D411yescharacteristic
155C22×C4×C17C2411yescharacteristic
156C2×C8×C17—21no—
157C2×C8×C17—21no—
158C2×C8×C17—21no—
159C2×C8×C17—21no—
160C2×C8×C17—21no—
161C2×C8×C17—21no—
162C2×C8×C17—21no—
163C2×C8×C17—21no—
164C2×C8×C17—21no—
165C2×C8×C17—21no—
166C2×C8×C17C22×C412yes—
167C2×C8×C17C22×C412yes—
168C4⋊C4×C17—24no—
169C4⋊C4×C17—21no—
170C4⋊C4×C17—21no—
171C4⋊C4×C17—21no—
172C4⋊C4×C17—21no—
173C4⋊C4×C17—21no—
174C4⋊C4×C17—21no—
175C4⋊C4×C17—21no—
176C4⋊C4×C17—21no—
177C4⋊C4×C17—21no—
178C4⋊C4×C17—81no—
179C4⋊C4×C17—81no—
180C4⋊C4×C17C22×C412yes—
181C4⋊C4×C17C22×C412yes—
182C4⋊C4×C17C22×C412yes—
183C4⋊C4×C17C2×Q812yes—
184C4⋊C4×C17#4112yes—
185C22⋊C4×C17—24no—
186C22⋊C4×C17—24no—
187C22⋊C4×C17—24no—
188C42×C17—21no—
189C42×C17—21no—
190C42×C17—81no—
191C42×C17—81no—
192C42×C17—81no—
193C42×C17—81no—
194C42×C17—81no—
195C42×C17C22×C412yes—
196C42×C17C2×Q812yes—
197C42×C17#4112yes—
198C42×C17#4112yes—
199#21624C1711yesmaximal, characteristic, direct product factor, Sylow
200C23×C17—22no—
201C23×C17—22no—
202C23×C17—22no—
203C23×C17—41no—
204C23×C17—41no—
205C23×C17—41no—
206C23×C17—41no—
207C23×C17C22×D411yescharacteristic
208Q8×C17—84no—
209D4×C17—22no—
210D4×C17—22no—
211D4×C17—22no—
212D4×C17C4×Q814yes—
213C2×C4×C17—21no—
214C2×C4×C17—21no—
215C2×C4×C17—21no—
216C2×C4×C17—21no—
217C2×C4×C17—21no—
218C2×C4×C17—21no—
219C2×C4×C17—21no—
220C2×C4×C17—21no—
221C2×C4×C17—22no—
222C2×C4×C17—22no—
223C2×C4×C17—22no—
224C2×C4×C17—22no—
225C2×C4×C17—21no—
226C2×C4×C17—21no—
227C2×C4×C17—22no—
228C2×C4×C17—21no—
229C2×C4×C17—21no—
230C2×C4×C17—21no—
231C2×C4×C17—21no—
232C2×C4×C17—41no—
233C2×C4×C17—41no—
234C2×C4×C17—41no—
235C2×C4×C17—41no—
236C2×C4×C17—41no—
237C2×C4×C17—41no—
238C2×C4×C17—41no—
239C2×C4×C17—41no—
240C2×C4×C17—41no—
241C2×C4×C17—41no—
242C2×C4×C17—41no—
243C2×C4×C17—41no—
244C2×C4×C17—41no—
245C2×C4×C17—41no—
246C2×C4×C17—41no—
247C2×C4×C17—41no—
248C2×C4×C17—84no—
249C2×C4×C17—84no—
250C2×C4×C17—84no—
251C2×C4×C17C4×D412yes—
252C2×C4×C17C4×D412yes—
253C2×C4×C17C22⋊Q812yes—
254C2×C4×C17C22⋊Q812yes—
255C2×C4×C17C23×C411yescharacteristic
256C2×C4×C17C22×Q811yescharacteristic
257C2×C4×C17C2×#4111yescharacteristic
258C2×C4×C17C2×#4111yescharacteristic
259C2×C4×C17C2×#4111yescharacteristic
260C2×C4×C17C2×#4111yescharacteristic
261C8×C17—22no—
262C8×C17—22no—
263C8×C17—41no—
264C8×C17—41no—
265C2×#474C2×C1711yescharacteristic
266#2331C2×C1711yescharacteristic, complemented
267#2275C2×C1711yescharacteristic
268#1987C2×C1711yescharacteristic, complemented
269#1949C2×C1711yescharacteristic, complemented
270#1921C2×C1711yescharacteristic, complemented
271#1918C2×C1711yescharacteristic, complemented
272#1864C2×C1711yescharacteristic
273#1862C2×C1711yescharacteristic
274#1804C2×C1711yescharacteristic
275#1776C2×C1711yescharacteristic, complemented
276C4×#107C2×C1711yescharacteristic, complemented
277#1768C2×C1711yescharacteristic, complemented
278#1762C2×C1711yescharacteristic
279C4×#102C2×C1711yescharacteristic
280C22×C17—24no—
281C22×C17—42no—
282C22×C17—42no—
283C22×C17—42no—
284C22×C17—42no—
285C22×C17—42no—
286C22×C17—42no—
287C22×C17C2×C4×D411yescharacteristic
288C22×C17C2×C22⋊Q811yescharacteristic
289C22×C17#52511yescharacteristic
290C22×C17#57611yescharacteristic
291C22×C17#57611yescharacteristic
292C22×C17#57711yescharacteristic
293C22×C17#57811yescharacteristic
294C4×C17—22no—
295C4×C17—22no—
296C4×C17—22no—
297C4×C17—22no—
298C4×C17—42no—
299C4×C17—41no—
300C4×C17—42no—
301C4×C17—41no—
302C4×C17—42no—
303C4×C17—42no—
304C4×C17—42no—
305C4×C17—81no—
306C4×C17—81no—
307C4×C17C2×C4×Q811yescharacteristic
308C4×C17C4×#4111yescharacteristic
309C4×C17#52911yescharacteristic
310C4×C17#53311yescharacteristic
311C2×C4⋊Q8C22×C1711yescharacteristic
312C2×C4×D4C22×C1711yescharacteristic
313C2×C4×D4C22×C1711yescharacteristic
314C2×C4×D4C22×C1711yescharacteristic
315#474C4×C1718yescomplemented
316C2×#107C22×C1711yescharacteristic
317C2×#107C22×C1711yescharacteristic
318C2×#107C22×C1711yescharacteristic
319C2×#106C22×C1711yescharacteristic
320C2×C4⋊C8C22×C1711yescharacteristic
321C2×C4⋊C8C22×C1711yescharacteristic
322C2×#102C22×C1711yescharacteristic
323C2×#102C22×C1711yescharacteristic
324C2×#102C22×C1711yescharacteristic
325C2×#102C22×C1711yescharacteristic
326C2×#97C22×C1711yescharacteristic
327C2×C4×C8C22×C1711yescharacteristic
328#391—21no—
329#391—21no—
330#389C22×C1711yescharacteristic
331#389C22×C1711yescharacteristic
332#387—21no—
333#387—21no—
334#382C22×C1711yescharacteristic
335C4×C4⋊C4C22×C1711yescharacteristic
336C4×C4⋊C4C22×C1711yescharacteristic
337C4×C4⋊C4C22×C1711yescharacteristic
338C4×C4⋊C4C22×C1711yescharacteristic
339C4×C4⋊C4C22×C1711yescharacteristic
340C4×C22⋊C4—21no—
341C4×C22⋊C4—21no—
342C4×C22⋊C4—21no—
343#376C22×C1711yescharacteristic
344C2×#95—21no—
345#340C22×C1711yescharacteristic
346#340C22×C1711yescharacteristic
347#340C22×C1711yescharacteristic
348#340C22×C1711yescharacteristic
349#340C22×C1711yescharacteristic
350#340C22×C1711yescharacteristic
351#340C22×C1711yescharacteristic
352#340C22×C1711yescharacteristic
353#336C22×C1711yescharacteristic
354#336C22×C1711yescharacteristic
355C2×C17—44no—
356C2×C17C4×C22⋊Q811yescharacteristic
357C2×C17#294711yescharacteristic
358C2×C17#294811yescharacteristic
359C2×C17#308111yescharacteristic
360C2×C17#308311yescharacteristic
361C2×C17#311811yescharacteristic
362C2×C17#312411yescharacteristic
363C22×Q8—21no—
364C22×D4C23×C1711yescharacteristic
365C23×C4—21no—
366C23×C4—21no—
367C23×C4—21no—
368C22×C8C23×C1711yescharacteristic
369C22×C8C23×C1711yescharacteristic
370C22×C8C23×C1711yescharacteristic
371C22×C8C23×C1711yescharacteristic
372C4⋊Q8—22no—
373C4⋊Q8C2×C4×C1714yescomplemented
374C4×D4—22no—
375C4×D4—22no—
376C4×D4—22no—
377C4×D4—22no—
378C4×D4C2×C4×C1714yes—
379C4×D4Q8×C1714yescomplemented
380C2×C4⋊C4—21no—
381C2×C4⋊C4—21no—
382C2×C4⋊C4—21no—
383C2×C4⋊C4C23×C1711yescharacteristic
384C2×C4⋊C4C23×C1711yescharacteristic
385C2×C4⋊C4C23×C1711yescharacteristic
386C2×C4⋊C4C23×C1711yescharacteristic
387C2×C4⋊C4C23×C1711yescharacteristic
388C2×C4⋊C4C23×C1711yescharacteristic
389C2×C4⋊C4C23×C1711yescharacteristic
390C2×C22⋊C4—21no—
391C2×C22⋊C4—21no—
392C2×C22⋊C4—21no—
393C2×C42—21no—
394C2×C42—21no—
395C2×C42—21no—
396C2×C42—21no—
397C2×C42—21no—
398C2×C42C23×C1711yescharacteristic
399C2×C42C23×C1711yescharacteristic
400C2×C42C23×C1711yescharacteristic
401#107—22no—
402#107C2×C4×C1714yescomplemented
403#107C2×C4×C1714yescomplemented
404#106—22no—
405C4⋊C8—22no—
406C4⋊C8C2×C4×C1714yescomplemented
407#102—22no—
408#102—22no—
409#102C2×C4×C1714yes—
410#102C2×C4×C1714yes—
411#97—22no—
412C4×C8—22no—
413#95—21no—
414#95—21no—
415#95—21no—
416#95—21no—
417#95—21no—
418#95—21no—
419#95—21no—
420#95—21no—
421#95—21no—
422#95D4×C1711yescharacteristic
423#95D4×C1711yescharacteristic
424#95D4×C1711yescharacteristic
425#95D4×C1711yescharacteristic
426C17#2162411yescharacteristic, direct product factor, Sylow
427C24—21no—
428C2×Q8—24no—
429C2×Q8—81no—
430C2×Q8—81no—
431C2×D4—21no—
432C2×D4—21no—
433C2×D4—21no—
434C2×D4C22×C4×C1712yes—
435C2×D4C2×Q8×C1712yes—
436C2×D4#41×C1712yes—
437C22×C4—21no—
438C22×C4—21no—
439C22×C4—21no—
440C22×C4—21no—
441C22×C4—21no—
442C22×C4—24no—
443C22×C4—24no—
444C22×C4—24no—
445C22×C4—21no—
446C22×C4—21no—
447C22×C4—81no—
448C22×C4—81no—
449C22×C4—81no—
450C22×C4—81no—
451C22×C4—81no—
452C22×C4—81no—
453C22×C4C2×D4×C1711yescharacteristic
454C22×C4C2×D4×C1711yescharacteristic
455C22×C4C2×D4×C1711yescharacteristic
456C22×C4C2×D4×C1711yescharacteristic
457C22×C4C2×D4×C1711yescharacteristic
458C22×C4C2×D4×C1711yescharacteristic
459C22×C4C24×C1711yescharacteristic
460C2×C8—21no—
461C2×C8—21no—
462C2×C8—21no—
463C2×C8—21no—
464C2×C8—21no—
465C2×C8—21no—
466C2×C8—21no—
467C2×C8—21no—
468C2×C8—21no—
469C2×C8—21no—
470C2×C8C22×C4×C1712yes—
471C2×C8C22×C4×C1712yes—
472C4⋊C4—21no—
473C4⋊C4—21no—
474C4⋊C4—21no—
475C4⋊C4—21no—
476C4⋊C4—21no—
477C4⋊C4—24no—
478C4⋊C4—21no—
479C4⋊C4—21no—
480C4⋊C4—21no—
481C4⋊C4—21no—
482C4⋊C4—81no—
483C4⋊C4—81no—
484C4⋊C4C22×C4×C1712yes—
485C4⋊C4C22×C4×C1712yes—
486C4⋊C4C22×C4×C1712yes—
487C4⋊C4C2×Q8×C1712yes—
488C4⋊C4#41×C1712yes—
489C22⋊C4—24no—
490C22⋊C4—24no—
491C22⋊C4—24no—
492C42—21no—
493C42—21no—
494C42—81no—
495C42—81no—
496C42—81no—
497C42—81no—
498C42—81no—
499C42C22×C4×C1712yes—
500C42C2×Q8×C1712yes—
501C42#41×C1712yes—
502C42#41×C1712yes—
503C23—22no—
504C23—22no—
505C23—22no—
506C23—41no—
507C23—41no—
508C23—41no—
509C23—41no—
510C23C22×D4×C1711yescharacteristic
511Q8—84no—
512D4—22no—
513D4—22no—
514D4—22no—
515D4C4×Q8×C1714yes—
516C2×C4—21no—
517C2×C4—21no—
518C2×C4—21no—
519C2×C4—21no—
520C2×C4—21no—
521C2×C4—21no—
522C2×C4—21no—
523C2×C4—21no—
524C2×C4—22no—
525C2×C4—22no—
526C2×C4—22no—
527C2×C4—22no—
528C2×C4—21no—
529C2×C4—21no—
530C2×C4—22no—
531C2×C4—21no—
532C2×C4—21no—
533C2×C4—21no—
534C2×C4—21no—
535C2×C4—41no—
536C2×C4—41no—
537C2×C4—41no—
538C2×C4—41no—
539C2×C4—41no—
540C2×C4—41no—
541C2×C4—41no—
542C2×C4—41no—
543C2×C4—41no—
544C2×C4—41no—
545C2×C4—41no—
546C2×C4—41no—
547C2×C4—41no—
548C2×C4—41no—
549C2×C4—41no—
550C2×C4—41no—
551C2×C4—84no—
552C2×C4—84no—
553C2×C4—84no—
554C2×C4C4×D4×C1712yes—
555C2×C4C4×D4×C1712yes—
556C2×C4C17×C22⋊Q812yes—
557C2×C4C17×C22⋊Q812yes—
558C2×C4C23×C4×C1711yescharacteristic
559C2×C4C22×Q8×C1711yescharacteristic
560C2×C4C2×#41×C1711yescharacteristic
561C2×C4C2×#41×C1711yescharacteristic
562C2×C4C2×#41×C1711yescharacteristic
563C2×C4C2×#41×C1711yescharacteristic
564C8—22no—
565C8—22no—
566C8—41no—
567C8—41no—
568C22—24no—
569C22—42no—
570C22—42no—
571C22—42no—
572C22—42no—
573C22—42no—
574C22—42no—
575C22C2×C4×D4×C1711yescharacteristic
576C22C2×C17×C22⋊Q811yescharacteristic
577C22C17×#52511yescharacteristic
578C22C17×#57611yescharacteristic
579C22C17×#57611yescharacteristic
580C22C17×#57711yescharacteristic
581C22C17×#57811yescharacteristic
582C4—22no—
583C4—22no—
584C4—22no—
585C4—22no—
586C4—42no—
587C4—42no—
588C4—42no—
589C4—42no—
590C4—41no—
591C4—42no—
592C4—41no—
593C4—81no—
594C4—81no—
595C4C2×C4×Q8×C1711yescharacteristic
596C4C4×#41×C1711yescharacteristic
597C4C17×#52911yescharacteristic
598C4C17×#53311yescharacteristic
599C2—44no—
600C2C4×C17×C22⋊Q811yescharacteristic
601C2C17×#294711yescharacteristic
602C2C17×#294811yescharacteristic
603C2C17×#308111yescharacteristic
604C2C17×#308311yescharacteristic
605C2C17×#311811yescharacteristic
606C2C17×#312411yescharacteristic
subgroupG/H
center, socleC23×C17C22×D4
commutatorC2×C4C23×C4×C17
Frattini, cosocleC22×C4C24×C17
prime radicalC22×D4×C17C23
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23×C17 ◁ C17×#376 ◁ G

Complements

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

NH ≅ G/Ntype
2. C17×#2331C2semidirect
4. C17×#1987C2semidirect
5. C17×#1949C2semidirect
6. C17×#1921C2semidirect
7. C17×#1918C2semidirect
11. C17×#1776C2semidirect
12. C4×C17×#107C2semidirect
13. C17×#1768C2semidirect
20. C17×#474C4semidirect
70. C17×C4⋊Q8C2×C4semidirect
76. C4×D4×C17Q8semidirect
99. C17×#107C2×C4semidirect
100. C17×#107C2×C4semidirect
103. C17×C4⋊C8C2×C4semidirect
199. #21624C17direct (N × H)
266. #2331C2×C17semidirect
268. #1987C2×C17semidirect
269. #1949C2×C17semidirect
270. #1921C2×C17semidirect
271. #1918C2×C17semidirect
275. #1776C2×C17semidirect
276. C4×#107C2×C17semidirect
277. #1768C2×C17semidirect
315. #474C4×C17semidirect
373. C4⋊Q8C2×C4×C17semidirect
379. C4×D4Q8×C17semidirect
402. #107C2×C4×C17semidirect
403. #107C2×C4×C17semidirect
406. C4⋊C8C2×C4×C17semidirect
426. C17#21624direct (N × H)

Maximal subgroups

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

subgroupindex
C2×C17×#4742
C17×#23312
C17×#22752
C17×#19872
C17×#19492
C17×#19212
C17×#19182
C17×#18642
C17×#18622
C17×#18042
C17×#17762
C4×C17×#1072
C17×#17682
C17×#17622
C4×C17×#1022
#2162417