Subgroups — C₉×#2055 #11766776

Order 1152.

486 conjugacy classes of subgroups.

The subgroup lattice has 390 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₂²×C₉×SD₁₆	C₂	1	1	yes	maximal, characteristic
2	C₂×C₉×C₄⋊C₈	C₂	1	1	yes	maximal, characteristic, complemented
3	C₂×C₉×#103	C₂	1	1	yes	maximal, characteristic, complemented
4	C₂×C₉×#102	C₂	1	1	yes	maximal, characteristic
5	C₉×#391	C₂	1	1	yes	maximal, characteristic, complemented
6	C₉×#390	C₂	1	1	yes	maximal, characteristic
7	C₉×#340	C₂	1	1	yes	maximal, characteristic, complemented
8	C₃×#2055	C₃	1	1	yes	maximal, characteristic
9	C₂²×Q₈×C₉	C₂²	1	1	yes	characteristic
10	C₂²×D₄×C₉	C₂²	1	1	yes	characteristic
11	C₂×C₉×SD₁₆	—	2	2	no	—
12	C₂×C₉×SD₁₆	—	2	2	no	—
13	C₂×C₉×SD₁₆	—	2	2	no	—
14	C₂²×C₈×C₉	C₂²	1	1	yes	characteristic
15	C₂²×C₈×C₉	C₂²	1	1	yes	characteristic
16	C₂×C₉×C₄⋊C₄	C₂²	1	1	yes	characteristic
17	C₂×C₉×C₄⋊C₄	C₂²	1	1	yes	characteristic
18	C₂×C₉×C₂²⋊C₄	—	2	1	no	—
19	C₂×C₉×C₂²⋊C₄	—	2	1	no	—
20	C₂×C₄²×C₉	C₂²	1	1	yes	characteristic
21	C₉×C₄⋊C₈	—	2	2	no	—
22	C₉×#103	—	2	2	no	—
23	C₉×#102	—	2	2	no	—
24	C₉×#95	—	2	1	no	—
25	C₉×#95	—	2	1	no	—
26	C₂²×C₃×SD₁₆	C₂×C₃	1	1	yes	characteristic
27	C₂×C₃×C₄⋊C₈	C₂×C₃	1	1	yes	characteristic
28	C₂×C₃×#103	C₂×C₃	1	1	yes	characteristic
29	C₂×C₃×#102	C₂×C₃	1	1	yes	characteristic
30	C₃×#391	C₂×C₃	1	1	yes	characteristic
31	C₃×#390	C₂×C₃	1	1	yes	characteristic
32	C₃×#340	C₂×C₃	1	1	yes	characteristic
33	C₂⁴×C₉	—	2	1	no	—
34	C₂×Q₈×C₉	—	2	1	no	—
35	C₂×Q₈×C₉	—	2	1	no	—
36	C₂×Q₈×C₉	—	2	1	no	—
37	C₂×Q₈×C₉	—	2	1	no	—
38	C₂×Q₈×C₉	—	2	1	no	—
39	C₂×Q₈×C₉	D₄	1	2	yes	—
40	C₂×D₄×C₉	—	2	1	no	—
41	C₂×D₄×C₉	—	2	1	no	—
42	C₂×D₄×C₉	—	2	1	no	—
43	C₂×D₄×C₉	—	2	1	no	—
44	C₂×D₄×C₉	—	2	1	no	—
45	C₂×D₄×C₉	D₄	1	2	yes	—
46	C₂²×C₄×C₉	—	2	1	no	—
47	C₂²×C₄×C₉	—	2	1	no	—
48	C₂²×C₄×C₉	—	2	1	no	—
49	C₂²×C₄×C₉	D₄	1	1	yes	characteristic
50	C₂²×C₄×C₉	D₄	1	1	yes	characteristic
51	C₂²×C₄×C₉	C₂³	1	1	yes	characteristic
52	C₉×SD₁₆	—	2	8	no	—
53	C₂×C₈×C₉	—	2	1	no	—
54	C₂×C₈×C₉	—	2	1	no	—
55	C₂×C₈×C₉	—	2	1	no	—
56	C₂×C₈×C₉	—	2	1	no	—
57	C₂×C₈×C₉	—	2	1	no	—
58	C₂×C₈×C₉	D₄	1	2	yes	—
59	C₉×C₄⋊C₄	—	2	1	no	—
60	C₉×C₄⋊C₄	—	2	1	no	—
61	C₉×C₄⋊C₄	—	2	1	no	—
62	C₉×C₄⋊C₄	—	2	1	no	—
63	C₉×C₂²⋊C₄	—	4	2	no	—
64	C₉×C₂²⋊C₄	—	4	2	no	—
65	C₄²×C₉	—	2	1	no	—
66	C₄²×C₉	—	2	1	no	—
67	#2055	C₉	1	1	yes	characteristic, direct product factor, Sylow
68	C₂²×C₃×Q₈	C₂²×C₃	1	1	yes	characteristic
69	C₂²×C₃×D₄	C₂²×C₃	1	1	yes	characteristic
70	C₂×C₃×SD₁₆	—	2	2	no	—
71	C₂×C₃×SD₁₆	—	2	2	no	—
72	C₂×C₃×SD₁₆	—	2	2	no	—
73	C₂²×C₃×C₈	C₂²×C₃	1	1	yes	characteristic
74	C₂²×C₃×C₈	C₂²×C₃	1	1	yes	characteristic
75	C₂×C₃×C₄⋊C₄	C₂²×C₃	1	1	yes	characteristic
76	C₂×C₃×C₄⋊C₄	C₂²×C₃	1	1	yes	characteristic
77	C₂×C₃×C₂²⋊C₄	—	2	1	no	—
78	C₂×C₃×C₂²⋊C₄	—	2	1	no	—
79	C₂×C₃×C₄²	C₂²×C₃	1	1	yes	characteristic
80	C₃×C₄⋊C₈	—	2	2	no	—
81	C₃×#103	—	2	2	no	—
82	C₃×#102	—	2	2	no	—
83	C₃×#95	—	2	1	no	—
84	C₃×#95	—	2	1	no	—
85	C₂³×C₉	—	2	2	no	—
86	C₂³×C₉	—	4	1	no	—
87	C₂³×C₉	—	4	1	no	—
88	C₂³×C₉	—	4	1	no	—
89	C₂³×C₉	—	4	1	no	—
90	C₂³×C₉	—	4	1	no	—
91	C₂³×C₉	—	4	1	no	—
92	C₂³×C₉	C₂×D₄	1	1	yes	characteristic
93	Q₈×C₉	—	2	2	no	—
94	Q₈×C₉	—	2	2	no	—
95	Q₈×C₉	—	4	1	no	—
96	Q₈×C₉	—	4	1	no	—
97	D₄×C₉	—	2	2	no	—
98	D₄×C₉	—	2	2	no	—
99	D₄×C₉	—	4	1	no	—
100	D₄×C₉	—	4	1	no	—
101	C₂×C₄×C₉	—	2	1	no	—
102	C₂×C₄×C₉	—	2	1	no	—
103	C₂×C₄×C₉	—	2	1	no	—
104	C₂×C₄×C₉	—	2	2	no	—
105	C₂×C₄×C₉	—	2	1	no	—
106	C₂×C₄×C₉	—	2	1	no	—
107	C₂×C₄×C₉	—	4	1	no	—
108	C₂×C₄×C₉	—	4	1	no	—
109	C₂×C₄×C₉	—	4	1	no	—
110	C₂×C₄×C₉	—	4	1	no	—
111	C₂×C₄×C₉	—	4	1	no	—
112	C₂×C₄×C₉	—	4	1	no	—
113	C₂×C₄×C₉	—	4	1	no	—
114	C₂×C₄×C₉	—	4	1	no	—
115	C₂×C₄×C₉	SD₁₆	1	2	yes	complemented
116	C₂×C₄×C₉	C₂×D₄	1	1	yes	characteristic
117	C₂×C₄×C₉	C₂×D₄	1	1	yes	characteristic
118	C₂×C₄×C₉	C₂×D₄	1	1	yes	characteristic
119	C₂×C₄×C₉	#41	1	1	yes	characteristic
120	C₂×C₄×C₉	#41	1	1	yes	characteristic
121	C₂×C₄×C₉	#41	1	1	yes	characteristic
122	C₈×C₉	—	2	2	no	—
123	C₈×C₉	—	4	1	no	—
124	C₂²×SD₁₆	C₂×C₉	1	1	yes	characteristic
125	C₂×C₄⋊C₈	C₂×C₉	1	1	yes	characteristic, complemented
126	C₂×#103	C₂×C₉	1	1	yes	characteristic, complemented
127	C₂×#102	C₂×C₉	1	1	yes	characteristic
128	#391	C₂×C₉	1	1	yes	characteristic, complemented
129	#390	C₂×C₉	1	1	yes	characteristic
130	#340	C₂×C₉	1	1	yes	characteristic, complemented
131	C₂⁴×C₃	—	2	1	no	—
132	C₂×C₃×Q₈	—	2	1	no	—
133	C₂×C₃×Q₈	—	2	1	no	—
134	C₂×C₃×Q₈	—	2	1	no	—
135	C₂×C₃×Q₈	—	2	1	no	—
136	C₂×C₃×Q₈	—	2	1	no	—
137	C₂×C₃×Q₈	C₃×D₄	1	2	yes	—
138	C₂×C₃×D₄	—	2	1	no	—
139	C₂×C₃×D₄	—	2	1	no	—
140	C₂×C₃×D₄	—	2	1	no	—
141	C₂×C₃×D₄	—	2	1	no	—
142	C₂×C₃×D₄	—	2	1	no	—
143	C₂×C₃×D₄	C₃×D₄	1	2	yes	—
144	C₂²×C₃×C₄	—	2	1	no	—
145	C₂²×C₃×C₄	—	2	1	no	—
146	C₂²×C₃×C₄	—	2	1	no	—
147	C₂²×C₃×C₄	C₃×D₄	1	1	yes	characteristic
148	C₂²×C₃×C₄	C₃×D₄	1	1	yes	characteristic
149	C₂²×C₃×C₄	C₂³×C₃	1	1	yes	characteristic
150	C₃×SD₁₆	—	2	8	no	—
151	C₂×C₃×C₈	—	2	1	no	—
152	C₂×C₃×C₈	—	2	1	no	—
153	C₂×C₃×C₈	—	2	1	no	—
154	C₂×C₃×C₈	—	2	1	no	—
155	C₂×C₃×C₈	—	2	1	no	—
156	C₂×C₃×C₈	C₃×D₄	1	2	yes	—
157	C₃×C₄⋊C₄	—	2	1	no	—
158	C₃×C₄⋊C₄	—	2	1	no	—
159	C₃×C₄⋊C₄	—	2	1	no	—
160	C₃×C₄⋊C₄	—	2	1	no	—
161	C₃×C₂²⋊C₄	—	4	2	no	—
162	C₃×C₂²⋊C₄	—	4	2	no	—
163	C₃×C₄²	—	2	1	no	—
164	C₃×C₄²	—	2	1	no	—
165	C₂²×C₉	—	4	2	no	—
166	C₂²×C₉	—	4	2	no	—
167	C₂²×C₉	—	4	2	no	—
168	C₂²×C₉	—	8	1	no	—
169	C₂²×C₉	—	8	1	no	—
170	C₂²×C₉	—	8	1	no	—
171	C₂²×C₉	—	8	1	no	—
172	C₂²×C₉	#121	1	1	yes	characteristic
173	C₂²×C₉	#121	1	1	yes	characteristic
174	C₂²×C₉	#121	1	1	yes	characteristic
175	C₂²×C₉	C₂×SD₁₆	1	1	yes	characteristic
176	C₂²×C₉	#135	1	1	yes	characteristic
177	C₂²×C₉	AGL(1,ℤ/8)	1	1	yes	characteristic
178	C₂²×C₉	#137	1	1	yes	characteristic
179	C₄×C₉	—	2	2	no	—
180	C₄×C₉	—	4	2	no	—
181	C₄×C₉	—	4	1	no	—
182	C₄×C₉	—	8	1	no	—
183	C₄×C₉	—	8	1	no	—
184	C₄×C₉	#120	1	1	yes	characteristic
185	C₄×C₉	#123	1	1	yes	characteristic
186	C₄×C₉	#123	1	1	yes	characteristic
187	C₄×C₉	#124	1	1	yes	characteristic
188	C₂²×Q₈	C₂²×C₉	1	1	yes	characteristic
189	C₂²×D₄	C₂²×C₉	1	1	yes	characteristic
190	C₂×SD₁₆	—	2	2	no	—
191	C₂×SD₁₆	—	2	2	no	—
192	C₂×SD₁₆	—	2	2	no	—
193	C₂²×C₈	C₂²×C₉	1	1	yes	characteristic
194	C₂²×C₈	C₂²×C₉	1	1	yes	characteristic
195	C₂×C₄⋊C₄	C₂²×C₉	1	1	yes	characteristic
196	C₂×C₄⋊C₄	C₂²×C₉	1	1	yes	characteristic
197	C₂×C₂²⋊C₄	—	2	1	no	—
198	C₂×C₂²⋊C₄	—	2	1	no	—
199	C₂×C₄²	C₂²×C₉	1	1	yes	characteristic
200	C₄⋊C₈	—	2	2	no	—
201	#103	—	2	2	no	—
202	#102	—	2	2	no	—
203	#95	—	2	1	no	—
204	#95	—	2	1	no	—
205	C₂³×C₃	—	2	2	no	—
206	C₂³×C₃	—	4	1	no	—
207	C₂³×C₃	—	4	1	no	—
208	C₂³×C₃	—	4	1	no	—
209	C₂³×C₃	—	4	1	no	—
210	C₂³×C₃	—	4	1	no	—
211	C₂³×C₃	—	4	1	no	—
212	C₂³×C₃	C₂×C₃×D₄	1	1	yes	characteristic
213	C₃×Q₈	—	2	2	no	—
214	C₃×Q₈	—	2	2	no	—
215	C₃×Q₈	—	4	1	no	—
216	C₃×Q₈	—	4	1	no	—
217	C₃×D₄	—	2	2	no	—
218	C₃×D₄	—	2	2	no	—
219	C₃×D₄	—	4	1	no	—
220	C₃×D₄	—	4	1	no	—
221	C₂×C₃×C₄	—	2	1	no	—
222	C₂×C₃×C₄	—	2	1	no	—
223	C₂×C₃×C₄	—	2	1	no	—
224	C₂×C₃×C₄	—	2	2	no	—
225	C₂×C₃×C₄	—	2	1	no	—
226	C₂×C₃×C₄	—	2	1	no	—
227	C₂×C₃×C₄	—	4	1	no	—
228	C₂×C₃×C₄	—	4	1	no	—
229	C₂×C₃×C₄	—	4	1	no	—
230	C₂×C₃×C₄	—	4	1	no	—
231	C₂×C₃×C₄	—	4	1	no	—
232	C₂×C₃×C₄	—	4	1	no	—
233	C₂×C₃×C₄	—	4	1	no	—
234	C₂×C₃×C₄	—	4	1	no	—
235	C₂×C₃×C₄	C₃×SD₁₆	1	2	yes	—
236	C₂×C₃×C₄	C₂×C₃×D₄	1	1	yes	characteristic
237	C₂×C₃×C₄	C₂×C₃×D₄	1	1	yes	characteristic
238	C₂×C₃×C₄	C₂×C₃×D₄	1	1	yes	characteristic
239	C₂×C₃×C₄	C₃×#41	1	1	yes	characteristic
240	C₂×C₃×C₄	C₃×#41	1	1	yes	characteristic
241	C₂×C₃×C₄	C₃×#41	1	1	yes	characteristic
242	C₃×C₈	—	2	2	no	—
243	C₃×C₈	—	4	1	no	—
244	C₂×C₉	—	8	2	no	—
245	C₂×C₉	#394	1	1	yes	characteristic
246	C₂×C₉	#460	1	1	yes	characteristic
247	C₂×C₉	#461	1	1	yes	characteristic
248	C₂×C₉	#463	1	1	yes	characteristic
249	C₂×C₉	#464	1	1	yes	characteristic
250	C₂×C₉	#465	1	1	yes	characteristic
251	C₂×C₉	#468	1	1	yes	characteristic
252	C₂⁴	—	2	1	no	—
253	C₂×Q₈	—	2	1	no	—
254	C₂×Q₈	—	2	1	no	—
255	C₂×Q₈	—	2	1	no	—
256	C₂×Q₈	—	2	1	no	—
257	C₂×Q₈	—	2	1	no	—
258	C₂×Q₈	D₄×C₉	1	2	yes	—
259	C₂×D₄	—	2	1	no	—
260	C₂×D₄	—	2	1	no	—
261	C₂×D₄	—	2	1	no	—
262	C₂×D₄	—	2	1	no	—
263	C₂×D₄	—	2	1	no	—
264	C₂×D₄	D₄×C₉	1	2	yes	—
265	C₂²×C₄	—	2	1	no	—
266	C₂²×C₄	—	2	1	no	—
267	C₂²×C₄	—	2	1	no	—
268	C₂²×C₄	D₄×C₉	1	1	yes	characteristic
269	C₂²×C₄	D₄×C₉	1	1	yes	characteristic
270	C₂²×C₄	C₂³×C₉	1	1	yes	characteristic
271	SD₁₆	—	2	8	no	—
272	C₂×C₈	—	2	1	no	—
273	C₂×C₈	—	2	1	no	—
274	C₂×C₈	—	2	1	no	—
275	C₂×C₈	—	2	1	no	—
276	C₂×C₈	—	2	1	no	—
277	C₂×C₈	D₄×C₉	1	2	yes	—
278	C₄⋊C₄	—	2	1	no	—
279	C₄⋊C₄	—	2	1	no	—
280	C₄⋊C₄	—	2	1	no	—
281	C₄⋊C₄	—	2	1	no	—
282	C₂²⋊C₄	—	4	2	no	—
283	C₂²⋊C₄	—	4	2	no	—
284	C₄²	—	2	1	no	—
285	C₄²	—	2	1	no	—
286	C₂²×C₃	—	4	2	no	—
287	C₂²×C₃	—	4	2	no	—
288	C₂²×C₃	—	4	2	no	—
289	C₂²×C₃	—	8	1	no	—
290	C₂²×C₃	—	8	1	no	—
291	C₂²×C₃	—	8	1	no	—
292	C₂²×C₃	—	8	1	no	—
293	C₂²×C₃	C₃×#121	1	1	yes	characteristic
294	C₂²×C₃	C₃×#121	1	1	yes	characteristic
295	C₂²×C₃	C₃×#121	1	1	yes	characteristic
296	C₂²×C₃	C₂×C₃×SD₁₆	1	1	yes	characteristic
297	C₂²×C₃	C₃×#135	1	1	yes	characteristic
298	C₂²×C₃	C₃×AGL(1,ℤ/8)	1	1	yes	characteristic
299	C₂²×C₃	C₃×#137	1	1	yes	characteristic
300	C₃×C₄	—	2	2	no	—
301	C₃×C₄	—	4	2	no	—
302	C₃×C₄	—	4	1	no	—
303	C₃×C₄	—	8	1	no	—
304	C₃×C₄	—	8	1	no	—
305	C₃×C₄	C₃×#120	1	1	yes	characteristic
306	C₃×C₄	C₃×#123	1	1	yes	characteristic
307	C₃×C₄	C₃×#123	1	1	yes	characteristic
308	C₃×C₄	C₃×#124	1	1	yes	characteristic
309	C₉	#2055	1	1	yes	characteristic, direct product factor, Sylow
310	C₂³	—	2	2	no	—
311	C₂³	—	4	1	no	—
312	C₂³	—	4	1	no	—
313	C₂³	—	4	1	no	—
314	C₂³	—	4	1	no	—
315	C₂³	—	4	1	no	—
316	C₂³	—	4	1	no	—
317	C₂³	C₂×D₄×C₉	1	1	yes	characteristic
318	Q₈	—	2	2	no	—
319	Q₈	—	2	2	no	—
320	Q₈	—	4	1	no	—
321	Q₈	—	4	1	no	—
322	D₄	—	2	2	no	—
323	D₄	—	2	2	no	—
324	D₄	—	4	1	no	—
325	D₄	—	4	1	no	—
326	C₂×C₄	—	2	1	no	—
327	C₂×C₄	—	2	1	no	—
328	C₂×C₄	—	2	1	no	—
329	C₂×C₄	—	2	2	no	—
330	C₂×C₄	—	2	1	no	—
331	C₂×C₄	—	2	1	no	—
332	C₂×C₄	—	4	1	no	—
333	C₂×C₄	—	4	1	no	—
334	C₂×C₄	—	4	1	no	—
335	C₂×C₄	—	4	1	no	—
336	C₂×C₄	—	4	1	no	—
337	C₂×C₄	—	4	1	no	—
338	C₂×C₄	—	4	1	no	—
339	C₂×C₄	—	4	1	no	—
340	C₂×C₄	C₉×SD₁₆	1	2	yes	complemented
341	C₂×C₄	C₂×D₄×C₉	1	1	yes	characteristic
342	C₂×C₄	C₂×D₄×C₉	1	1	yes	characteristic
343	C₂×C₄	C₂×D₄×C₉	1	1	yes	characteristic
344	C₂×C₄	C₉×#41	1	1	yes	characteristic
345	C₂×C₄	C₉×#41	1	1	yes	characteristic
346	C₂×C₄	C₉×#41	1	1	yes	characteristic
347	C₈	—	2	2	no	—
348	C₈	—	4	1	no	—
349	C₂×C₃	—	8	2	no	—
350	C₂×C₃	C₃×#394	1	1	yes	characteristic
351	C₂×C₃	C₃×#460	1	1	yes	characteristic
352	C₂×C₃	C₃×#461	1	1	yes	characteristic
353	C₂×C₃	C₃×#463	1	1	yes	characteristic
354	C₂×C₃	C₃×#464	1	1	yes	characteristic
355	C₂×C₃	C₃×#465	1	1	yes	characteristic
356	C₂×C₃	C₃×#468	1	1	yes	characteristic
357	C₂²	—	4	2	no	—
358	C₂²	—	4	2	no	—
359	C₂²	—	4	2	no	—
360	C₂²	—	8	1	no	—
361	C₂²	—	8	1	no	—
362	C₂²	—	8	1	no	—
363	C₂²	—	8	1	no	—
364	C₂²	C₉×#121	1	1	yes	characteristic
365	C₂²	C₉×#121	1	1	yes	characteristic
366	C₂²	C₉×#121	1	1	yes	characteristic
367	C₂²	C₂×C₉×SD₁₆	1	1	yes	characteristic
368	C₂²	C₉×#135	1	1	yes	characteristic
369	C₂²	C₉×AGL(1,ℤ/8)	1	1	yes	characteristic
370	C₂²	C₉×#137	1	1	yes	characteristic
371	C₄	—	2	2	no	—
372	C₄	—	4	2	no	—
373	C₄	—	4	1	no	—
374	C₄	—	8	1	no	—
375	C₄	—	8	1	no	—
376	C₄	C₉×#120	1	1	yes	characteristic
377	C₄	C₉×#123	1	1	yes	characteristic
378	C₄	C₉×#123	1	1	yes	characteristic
379	C₄	C₉×#124	1	1	yes	characteristic
380	C₃	C₃×#2055	1	1	yes	characteristic
381	C₂	—	8	2	no	—
382	C₂	C₉×#394	1	1	yes	characteristic
383	C₂	C₉×#460	1	1	yes	characteristic
384	C₂	C₉×#461	1	1	yes	characteristic
385	C₂	C₉×#463	1	1	yes	characteristic
386	C₂	C₉×#464	1	1	yes	characteristic
387	C₂	C₉×#465	1	1	yes	characteristic
388	C₂	C₉×#468	1	1	yes	characteristic

	subgroup	G/H
center	C₂³×C₉	C₂×D₄
commutator	C₂²×C₄	C₂³×C₉
Frattini, cosocle	C₂²×C₃×C₄	C₂³×C₃
socle	C₂³×C₃	C₂×C₃×D₄
prime radical	C₂²×C₃×D₄	C₂²×C₃
LCS	G ▷ C₂²×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂³×C₉ ◁ C₂×C₄²×C₉ ◁ G

Complements

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

N	H ≅ G/N	type
2. C₂×C₉×C₄⋊C₈	C₂	semidirect
3. C₂×C₉×#103	C₂	semidirect
5. C₉×#391	C₂	semidirect
7. C₉×#340	C₂	semidirect
67. #2055	C₉	direct (N × H)
115. C₂×C₄×C₉	SD₁₆	semidirect
125. C₂×C₄⋊C₈	C₂×C₉	semidirect
126. C₂×#103	C₂×C₉	semidirect
128. #391	C₂×C₉	semidirect
130. #340	C₂×C₉	semidirect
309. C₉	#2055	direct (N × H)
340. C₂×C₄	C₉×SD₁₆	semidirect

Maximal subgroups

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

subgroup	index
C₂²×C₉×SD₁₆	2
C₂×C₉×C₄⋊C₈	2
C₂×C₉×#103	2
C₂×C₉×#102	2
C₉×#391	2
C₉×#390	2
C₉×#340	2
C₃×#2055	3

Subgroups — C9×#2055 #11766776

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₉×#2055 #11766776