Subgroups — C₃₁×#17834 #21474593

Order 7936.

616 conjugacy classes of subgroups.

The subgroup lattice has 334 nodes — too large to display as a diagram.

Conjugacy classes of subgroups

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	C₃₁×#2990	C₂	1	2	yes	maximal
2	C₈×#41×C₃₁	C₂	1	1	yes	maximal, characteristic
3	C₃₁×#1574	C₂	1	2	yes	maximal, complemented
4	C₃₁×#1573	C₂	1	4	yes	maximal, complemented
5	C₃₁×#1568	C₂	1	2	yes	maximal, complemented
6	C₃₁×#1566	C₂	1	1	yes	maximal, characteristic, complemented
7	C₃₁×#1564	C₂	1	1	yes	maximal, characteristic, complemented
8	C₂×C₃₁×#334	C₂	1	2	yes	maximal, complemented
9	C₄×#41×C₃₁	C₂²	1	1	yes	characteristic
10	C₃₁×#446	—	2	2	no	—
11	C₈×Q₈×C₃₁	C₄	1	1	yes	characteristic
12	C₈×Q₈×C₃₁	C₄	1	1	yes	characteristic
13	C₃₁×#435	—	2	4	no	—
14	C₈×D₄×C₃₁	—	2	2	no	—
15	C₈×D₄×C₃₁	C₄	1	2	yes	—
16	C₈×D₄×C₃₁	C₄	1	1	yes	characteristic
17	C₈×D₄×C₃₁	C₄	1	2	yes	—
18	C₈×D₄×C₃₁	C₄	1	1	yes	characteristic
19	C₃₁×#432	C₂²	1	4	yes	—
20	C₃₁×#431	C₂²	1	2	yes	—
21	C₃₁×#431	C₂²	1	2	yes	—
22	C₃₁×#431	C₂²	1	1	yes	characteristic
23	C₃₁×#423	C₂²	1	2	yes	—
24	C₂×C₃₁×C₄⋊C₈	C₂²	1	4	yes	—
25	C₂×C₄×C₈×C₃₁	C₂²	1	2	yes	—
26	C₂×C₄×C₈×C₃₁	C₂²	1	1	yes	characteristic
27	C₃₁×#335	C₂²	1	2	yes	—
28	C₃₁×#335	C₂²	1	4	yes	—
29	C₃₁×#334	C₂²	1	1	yes	characteristic
30	C₃₁×#334	C₂²	1	2	yes	—
31	C₃₁×#334	C₂²	1	4	yes	—
32	C₃₁×#334	C₂²	1	1	yes	characteristic
33	C₃₁×#334	C₂²	1	2	yes	—
34	C₂×#41×C₃₁	Q₈	1	1	yes	characteristic
35	C₂×M₁₆×C₃₁	—	2	2	no	—
36	C₂²×C₈×C₃₁	—	2	4	no	—
37	C₂²×C₈×C₃₁	C₂×C₄	1	2	yes	—
38	C₂²×C₈×C₃₁	C₂×C₄	1	1	yes	characteristic
39	C₂²×C₈×C₃₁	C₂×C₄	1	2	yes	—
40	C₂²×C₈×C₃₁	C₂×C₄	1	1	yes	characteristic
41	C₄×Q₈×C₃₁	C₂×C₄	1	1	yes	characteristic
42	C₄×Q₈×C₃₁	D₄	1	1	yes	characteristic
43	C₄×D₄×C₃₁	C₂×C₄	1	2	yes	—
44	C₄×D₄×C₃₁	C₂×C₄	1	1	yes	characteristic
45	C₄×D₄×C₃₁	D₄	1	1	yes	characteristic
46	C₄×D₄×C₃₁	D₄	1	2	yes	—
47	C₃₁×#117	Q₈	1	1	yes	characteristic
48	C₃₁×#117	Q₈	1	2	yes	—
49	C₂×C₄²×C₃₁	C₂³	1	2	yes	—
50	C₂×C₄²×C₃₁	C₂³	1	1	yes	characteristic
51	C₃₁×C₄⋊C₈	—	2	4	no	—
52	C₃₁×C₄⋊C₈	—	2	2	no	—
53	C₃₁×C₄⋊C₈	C₂×C₄	1	2	yes	—
54	C₃₁×C₄⋊C₈	C₂×C₄	1	2	yes	—
55	C₃₁×C₄⋊C₈	C₂×C₄	1	1	yes	characteristic
56	C₃₁×C₄⋊C₈	C₂×C₄	1	1	yes	characteristic
57	C₃₁×C₄⋊C₈	C₂³	1	2	yes	—
58	C₃₁×C₄⋊C₈	C₂³	1	4	yes	—
59	C₃₁×C₄⋊C₈	C₂³	1	2	yes	—
60	C₃₁×C₂²⋊C₈	—	2	2	no	—
61	C₃₁×C₂²⋊C₈	—	2	4	no	—
62	C₃₁×C₂²⋊C₈	C₂×C₄	1	2	yes	—
63	C₃₁×C₂²⋊C₈	C₂×C₄	1	2	yes	—
64	C₃₁×C₂²⋊C₈	C₂×C₄	1	2	yes	—
65	C₃₁×#97	—	2	4	no	—
66	C₄×C₈×C₃₁	—	2	2	no	—
67	C₄×C₈×C₃₁	C₂×C₄	1	2	yes	—
68	C₄×C₈×C₃₁	C₂×C₄	1	1	yes	characteristic
69	C₄×C₈×C₃₁	C₂×C₄	1	2	yes	—
70	C₄×C₈×C₃₁	C₂×C₄	1	1	yes	characteristic
71	C₄×C₈×C₃₁	C₂³	1	1	yes	characteristic
72	C₄×C₈×C₃₁	C₂³	1	2	yes	—
73	C₄×C₈×C₃₁	C₂³	1	1	yes	characteristic
74	#41×C₃₁	—	2	4	no	—
75	C₂×Q₈×C₃₁	C₄⋊C₄	1	1	yes	characteristic
76	C₂×D₄×C₃₁	C₄⋊C₄	1	2	yes	—
77	C₂×D₄×C₃₁	C₄⋊C₄	1	1	yes	characteristic
78	C₂²×C₄×C₃₁	C₂²×C₄	1	1	yes	characteristic
79	C₂²×C₄×C₃₁	C₂²×C₄	1	2	yes	—
80	C₂²×C₄×C₃₁	C₂×D₄	1	2	yes	—
81	C₂²×C₄×C₃₁	C₂×D₄	1	1	yes	characteristic
82	C₂²×C₄×C₃₁	C₂×Q₈	1	2	yes	—
83	C₂²×C₄×C₃₁	C₂×Q₈	1	1	yes	characteristic
84	M₁₆×C₃₁	—	8	2	no	—
85	C₂×C₈×C₃₁	—	2	4	no	—
86	C₂×C₈×C₃₁	—	2	2	no	—
87	C₂×C₈×C₃₁	—	2	2	no	—
88	C₂×C₈×C₃₁	—	2	2	no	—
89	C₂×C₈×C₃₁	—	2	4	no	—
90	C₂×C₈×C₃₁	—	4	2	no	—
91	C₂×C₈×C₃₁	—	4	1	no	—
92	C₂×C₈×C₃₁	—	8	4	no	—
93	C₂×C₈×C₃₁	C₂²×C₄	1	1	yes	characteristic
94	C₂×C₈×C₃₁	C₂²×C₄	1	2	yes	—
95	C₂×C₈×C₃₁	C₂²×C₄	1	1	yes	characteristic
96	C₂×C₈×C₃₁	C₂²×C₄	1	2	yes	—
97	C₂×C₈×C₃₁	C₂²×C₄	1	1	yes	characteristic
98	C₂×C₈×C₃₁	C₂²×C₄	1	1	yes	characteristic
99	C₄⋊C₄×C₃₁	C₄⋊C₄	1	2	yes	—
100	C₄⋊C₄×C₃₁	C₄⋊C₄	1	1	yes	characteristic
101	C₄⋊C₄×C₃₁	C₄⋊C₄	1	2	yes	—
102	C₄⋊C₄×C₃₁	C₄⋊C₄	1	1	yes	characteristic
103	C₂²⋊C₄×C₃₁	C₄⋊C₄	1	2	yes	—
104	C₂²⋊C₄×C₃₁	C₄⋊C₄	1	2	yes	—
105	C₂²⋊C₄×C₃₁	C₄⋊C₄	1	2	yes	—
106	C₄²×C₃₁	C₂²×C₄	1	2	yes	—
107	C₄²×C₃₁	C₂²×C₄	1	1	yes	characteristic
108	C₄²×C₃₁	C₂×D₄	1	1	yes	characteristic
109	C₄²×C₃₁	C₂×D₄	1	2	yes	—
110	C₄²×C₃₁	C₂×Q₈	1	2	yes	—
111	C₄²×C₃₁	C₂×Q₈	1	1	yes	characteristic
112	C₄²×C₃₁	C₂⁴	1	1	yes	characteristic
113	#17834	C₃₁	1	1	yes	maximal, characteristic, direct product factor, Sylow
114	C₂³×C₃₁	C₂×C₄⋊C₄	1	1	yes	characteristic
115	C₂³×C₃₁	C₂×C₄⋊C₄	1	2	yes	—
116	Q₈×C₃₁	—	2	2	no	—
117	D₄×C₃₁	—	2	4	no	—
118	D₄×C₃₁	#108	1	4	yes	—
119	C₂×C₄×C₃₁	—	2	4	no	—
120	C₂×C₄×C₃₁	—	2	2	no	—
121	C₂×C₄×C₃₁	—	2	1	no	—
122	C₂×C₄×C₃₁	—	2	2	no	—
123	C₂×C₄×C₃₁	—	2	1	no	—
124	C₂×C₄×C₃₁	—	2	4	no	—
125	C₂×C₄×C₃₁	—	2	2	no	—
126	C₂×C₄×C₃₁	—	2	2	no	—
127	C₂×C₄×C₃₁	C₂×C₄⋊C₄	1	2	yes	—
128	C₂×C₄×C₃₁	C₂×C₄⋊C₄	1	2	yes	—
129	C₂×C₄×C₃₁	C₂×C₄⋊C₄	1	1	yes	characteristic
130	C₂×C₄×C₃₁	C₂×C₄⋊C₄	1	1	yes	characteristic
131	C₂×C₄×C₃₁	C₂×C₄⋊C₄	1	2	yes	—
132	C₂×C₄×C₃₁	C₂×C₄⋊C₄	1	1	yes	characteristic
133	C₂×C₄×C₃₁	C₂³×C₄	1	1	yes	characteristic
134	C₂×C₄×C₃₁	C₂²×D₄	1	1	yes	characteristic
135	C₂×C₄×C₃₁	C₂²×Q₈	1	1	yes	characteristic
136	C₈×C₃₁	—	2	2	no	—
137	C₈×C₃₁	—	2	1	no	—
138	C₈×C₃₁	—	2	1	no	—
139	C₈×C₃₁	—	2	2	no	—
140	C₈×C₃₁	—	2	1	no	—
141	C₈×C₃₁	—	4	2	no	—
142	C₈×C₃₁	—	4	2	no	—
143	C₈×C₃₁	—	4	4	no	—
144	C₈×C₃₁	#131	1	2	yes	—
145	#2990	C₂×C₃₁	1	2	yes	—
146	C₈×#41	C₂×C₃₁	1	1	yes	characteristic
147	#1574	C₂×C₃₁	1	2	yes	complemented
148	#1573	C₂×C₃₁	1	4	yes	complemented
149	#1568	C₂×C₃₁	1	2	yes	complemented
150	#1566	C₂×C₃₁	1	1	yes	characteristic, complemented
151	#1564	C₂×C₃₁	1	1	yes	characteristic, complemented
152	C₂×#334	C₂×C₃₁	1	2	yes	complemented
153	C₂²×C₃₁	—	2	2	no	—
154	C₂²×C₃₁	—	2	2	no	—
155	C₂²×C₃₁	—	2	1	no	—
156	C₂²×C₃₁	—	2	1	no	—
157	C₂²×C₃₁	—	2	1	no	—
158	C₂²×C₃₁	C₂×#108	1	4	yes	—
159	C₂²×C₃₁	C₂²×C₄⋊C₄	1	1	yes	characteristic
160	C₄×C₃₁	—	2	2	no	—
161	C₄×C₃₁	—	2	1	no	—
162	C₄×C₃₁	—	2	2	no	—
163	C₄×C₃₁	—	2	1	no	—
164	C₄×C₃₁	—	2	1	no	—
165	C₄×C₃₁	—	2	2	no	—
166	C₄×C₃₁	C₂×#108	1	2	yes	—
167	C₄×C₃₁	C₂×#131	1	1	yes	characteristic
168	C₄×C₃₁	#568	1	1	yes	characteristic
169	C₄×C₃₁	#577	1	2	yes	—
170	C₄×#41	C₂²×C₃₁	1	1	yes	characteristic
171	#446	—	2	2	no	—
172	C₈×Q₈	C₄×C₃₁	1	1	yes	characteristic
173	C₈×Q₈	C₄×C₃₁	1	1	yes	characteristic
174	#435	—	2	4	no	—
175	C₈×D₄	—	2	2	no	—
176	C₈×D₄	C₄×C₃₁	1	2	yes	—
177	C₈×D₄	C₄×C₃₁	1	1	yes	characteristic
178	C₈×D₄	C₄×C₃₁	1	2	yes	—
179	C₈×D₄	C₄×C₃₁	1	1	yes	characteristic
180	#432	C₂²×C₃₁	1	4	yes	—
181	#431	C₂²×C₃₁	1	2	yes	—
182	#431	C₂²×C₃₁	1	2	yes	—
183	#431	C₂²×C₃₁	1	1	yes	characteristic
184	#423	C₂²×C₃₁	1	2	yes	—
185	C₂×C₄⋊C₈	C₂²×C₃₁	1	4	yes	—
186	C₂×C₄×C₈	C₂²×C₃₁	1	2	yes	—
187	C₂×C₄×C₈	C₂²×C₃₁	1	1	yes	characteristic
188	#335	C₂²×C₃₁	1	2	yes	—
189	#335	C₂²×C₃₁	1	4	yes	—
190	#334	C₂²×C₃₁	1	1	yes	characteristic
191	#334	C₂²×C₃₁	1	2	yes	—
192	#334	C₂²×C₃₁	1	4	yes	—
193	#334	C₂²×C₃₁	1	1	yes	characteristic
194	#334	C₂²×C₃₁	1	2	yes	—
195	C₂×C₃₁	—	2	4	no	—
196	C₂×C₃₁	—	4	1	no	—
197	C₂×C₃₁	#2906	1	1	yes	characteristic
198	C₂×C₃₁	#2912	1	1	yes	characteristic
199	C₂×C₃₁	C₂²×#108	1	1	yes	characteristic
200	C₂×#41	Q₈×C₃₁	1	1	yes	characteristic
201	C₂×M₁₆	—	2	2	no	—
202	C₂²×C₈	—	2	4	no	—
203	C₂²×C₈	C₂×C₄×C₃₁	1	2	yes	—
204	C₂²×C₈	C₂×C₄×C₃₁	1	1	yes	characteristic
205	C₂²×C₈	C₂×C₄×C₃₁	1	2	yes	—
206	C₂²×C₈	C₂×C₄×C₃₁	1	1	yes	characteristic
207	C₄×Q₈	C₂×C₄×C₃₁	1	1	yes	characteristic
208	C₄×Q₈	D₄×C₃₁	1	1	yes	characteristic
209	C₄×D₄	C₂×C₄×C₃₁	1	2	yes	—
210	C₄×D₄	C₂×C₄×C₃₁	1	1	yes	characteristic
211	C₄×D₄	D₄×C₃₁	1	1	yes	characteristic
212	C₄×D₄	D₄×C₃₁	1	2	yes	—
213	#117	Q₈×C₃₁	1	1	yes	characteristic
214	#117	Q₈×C₃₁	1	2	yes	—
215	C₂×C₄²	C₂³×C₃₁	1	2	yes	—
216	C₂×C₄²	C₂³×C₃₁	1	1	yes	characteristic
217	C₄⋊C₈	—	2	4	no	—
218	C₄⋊C₈	—	2	2	no	—
219	C₄⋊C₈	C₂×C₄×C₃₁	1	2	yes	—
220	C₄⋊C₈	C₂×C₄×C₃₁	1	2	yes	—
221	C₄⋊C₈	C₂×C₄×C₃₁	1	1	yes	characteristic
222	C₄⋊C₈	C₂×C₄×C₃₁	1	1	yes	characteristic
223	C₄⋊C₈	C₂³×C₃₁	1	2	yes	—
224	C₄⋊C₈	C₂³×C₃₁	1	4	yes	—
225	C₄⋊C₈	C₂³×C₃₁	1	2	yes	—
226	C₂²⋊C₈	—	2	2	no	—
227	C₂²⋊C₈	—	2	4	no	—
228	C₂²⋊C₈	C₂×C₄×C₃₁	1	2	yes	—
229	C₂²⋊C₈	C₂×C₄×C₃₁	1	2	yes	—
230	C₂²⋊C₈	C₂×C₄×C₃₁	1	2	yes	—
231	#97	—	2	4	no	—
232	C₄×C₈	—	2	2	no	—
233	C₄×C₈	C₂×C₄×C₃₁	1	2	yes	—
234	C₄×C₈	C₂×C₄×C₃₁	1	1	yes	characteristic
235	C₄×C₈	C₂×C₄×C₃₁	1	2	yes	—
236	C₄×C₈	C₂×C₄×C₃₁	1	1	yes	characteristic
237	C₄×C₈	C₂³×C₃₁	1	1	yes	characteristic
238	C₄×C₈	C₂³×C₃₁	1	2	yes	—
239	C₄×C₈	C₂³×C₃₁	1	1	yes	characteristic
240	C₃₁	#17834	1	1	yes	characteristic, direct product factor, Sylow
241	#41	—	2	4	no	—
242	C₂×Q₈	C₄⋊C₄×C₃₁	1	1	yes	characteristic
243	C₂×D₄	C₄⋊C₄×C₃₁	1	2	yes	—
244	C₂×D₄	C₄⋊C₄×C₃₁	1	1	yes	characteristic
245	C₂²×C₄	C₂²×C₄×C₃₁	1	1	yes	characteristic
246	C₂²×C₄	C₂²×C₄×C₃₁	1	2	yes	—
247	C₂²×C₄	C₂×D₄×C₃₁	1	2	yes	—
248	C₂²×C₄	C₂×D₄×C₃₁	1	1	yes	characteristic
249	C₂²×C₄	C₂×Q₈×C₃₁	1	2	yes	—
250	C₂²×C₄	C₂×Q₈×C₃₁	1	1	yes	characteristic
251	M₁₆	—	8	2	no	—
252	C₂×C₈	—	2	4	no	—
253	C₂×C₈	—	2	2	no	—
254	C₂×C₈	—	2	2	no	—
255	C₂×C₈	—	2	2	no	—
256	C₂×C₈	—	2	4	no	—
257	C₂×C₈	—	4	2	no	—
258	C₂×C₈	—	4	1	no	—
259	C₂×C₈	—	8	4	no	—
260	C₂×C₈	C₂²×C₄×C₃₁	1	1	yes	characteristic
261	C₂×C₈	C₂²×C₄×C₃₁	1	2	yes	—
262	C₂×C₈	C₂²×C₄×C₃₁	1	1	yes	characteristic
263	C₂×C₈	C₂²×C₄×C₃₁	1	2	yes	—
264	C₂×C₈	C₂²×C₄×C₃₁	1	1	yes	characteristic
265	C₂×C₈	C₂²×C₄×C₃₁	1	1	yes	characteristic
266	C₄⋊C₄	C₄⋊C₄×C₃₁	1	2	yes	—
267	C₄⋊C₄	C₄⋊C₄×C₃₁	1	1	yes	characteristic
268	C₄⋊C₄	C₄⋊C₄×C₃₁	1	2	yes	—
269	C₄⋊C₄	C₄⋊C₄×C₃₁	1	1	yes	characteristic
270	C₂²⋊C₄	C₄⋊C₄×C₃₁	1	2	yes	—
271	C₂²⋊C₄	C₄⋊C₄×C₃₁	1	2	yes	—
272	C₂²⋊C₄	C₄⋊C₄×C₃₁	1	2	yes	—
273	C₄²	C₂²×C₄×C₃₁	1	2	yes	—
274	C₄²	C₂²×C₄×C₃₁	1	1	yes	characteristic
275	C₄²	C₂×D₄×C₃₁	1	1	yes	characteristic
276	C₄²	C₂×D₄×C₃₁	1	2	yes	—
277	C₄²	C₂×Q₈×C₃₁	1	2	yes	—
278	C₄²	C₂×Q₈×C₃₁	1	1	yes	characteristic
279	C₄²	C₂⁴×C₃₁	1	1	yes	characteristic
280	C₂³	C₂×C₄⋊C₄×C₃₁	1	1	yes	characteristic
281	C₂³	C₂×C₄⋊C₄×C₃₁	1	2	yes	—
282	Q₈	—	2	2	no	—
283	D₄	—	2	4	no	—
284	D₄	C₃₁×#108	1	4	yes	—
285	C₂×C₄	—	2	4	no	—
286	C₂×C₄	—	2	2	no	—
287	C₂×C₄	—	2	2	no	—
288	C₂×C₄	—	2	1	no	—
289	C₂×C₄	—	2	2	no	—
290	C₂×C₄	—	2	1	no	—
291	C₂×C₄	—	2	4	no	—
292	C₂×C₄	—	2	2	no	—
293	C₂×C₄	C₂×C₄⋊C₄×C₃₁	1	2	yes	—
294	C₂×C₄	C₂×C₄⋊C₄×C₃₁	1	2	yes	—
295	C₂×C₄	C₂×C₄⋊C₄×C₃₁	1	1	yes	characteristic
296	C₂×C₄	C₂×C₄⋊C₄×C₃₁	1	1	yes	characteristic
297	C₂×C₄	C₂×C₄⋊C₄×C₃₁	1	2	yes	—
298	C₂×C₄	C₂×C₄⋊C₄×C₃₁	1	1	yes	characteristic
299	C₂×C₄	C₂³×C₄×C₃₁	1	1	yes	characteristic
300	C₂×C₄	C₂²×D₄×C₃₁	1	1	yes	characteristic
301	C₂×C₄	C₂²×Q₈×C₃₁	1	1	yes	characteristic
302	C₈	—	2	2	no	—
303	C₈	—	2	1	no	—
304	C₈	—	2	1	no	—
305	C₈	—	2	2	no	—
306	C₈	—	2	1	no	—
307	C₈	—	4	2	no	—
308	C₈	—	4	2	no	—
309	C₈	—	4	4	no	—
310	C₈	C₃₁×#131	1	2	yes	—
311	C₂²	—	2	2	no	—
312	C₂²	—	2	2	no	—
313	C₂²	—	2	1	no	—
314	C₂²	—	2	1	no	—
315	C₂²	—	2	1	no	—
316	C₂²	C₂×C₃₁×#108	1	4	yes	—
317	C₂²	C₂²×C₄⋊C₄×C₃₁	1	1	yes	characteristic
318	C₄	—	2	2	no	—
319	C₄	—	2	1	no	—
320	C₄	—	2	2	no	—
321	C₄	—	2	1	no	—
322	C₄	—	2	1	no	—
323	C₄	—	2	2	no	—
324	C₄	C₂×C₃₁×#108	1	2	yes	—
325	C₄	C₂×C₃₁×#131	1	1	yes	characteristic
326	C₄	C₃₁×#568	1	1	yes	characteristic
327	C₄	C₃₁×#577	1	2	yes	—
328	C₂	—	2	4	no	—
329	C₂	—	4	1	no	—
330	C₂	C₃₁×#2906	1	1	yes	characteristic
331	C₂	C₃₁×#2912	1	1	yes	characteristic
332	C₂	C₂²×C₃₁×#108	1	1	yes	characteristic

	subgroup	G/H
center	C₂×C₄×C₃₁	C₂²×D₄
commutator	C₂×C₄	C₂³×C₄×C₃₁
Frattini, cosocle	C₄²	C₂⁴×C₃₁
socle	C₂²×C₃₁	C₂²×C₄⋊C₄
prime radical	C₂×#41×C₃₁	Q₈
LCS	G ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂×C₄×C₃₁ ◁ C₄×#41×C₃₁ ◁ G

Complements

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

N	H ≅ G/N	type
3. C₃₁×#1574	C₂	semidirect
4. C₃₁×#1573	C₂	semidirect
5. C₃₁×#1568	C₂	semidirect
6. C₃₁×#1566	C₂	semidirect
7. C₃₁×#1564	C₂	semidirect
8. C₂×C₃₁×#334	C₂	semidirect
113. #17834	C₃₁	direct (N × H)
147. #1574	C₂×C₃₁	semidirect
148. #1573	C₂×C₃₁	semidirect
149. #1568	C₂×C₃₁	semidirect
150. #1566	C₂×C₃₁	semidirect
151. #1564	C₂×C₃₁	semidirect
152. C₂×#334	C₂×C₃₁	semidirect
240. C₃₁	#17834	direct (N × H)

Maximal subgroups

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

subgroup	index
C₃₁×#2990	2
C₈×#41×C₃₁	2
C₃₁×#1574	2
C₃₁×#1573	2
C₃₁×#1568	2
C₃₁×#1566	2
C₃₁×#1564	2
C₂×C₃₁×#334	2
#17834	31

Subgroups — C31×#17834 #21474593

Conjugacy classes of subgroups

Complements

Maximal subgroups

Subgroups — C₃₁×#17834 #21474593