Group #36568316 — subgroups

Subgroups — #36568316

Order 22784.

810 conjugacy classes of subgroups; only the 203 normal subgroups are shown.

normal subgroups only

This group has 810 conjugacy classes of subgroups — too many to draw. Only its 203 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

#	subgroup	G/H	class size	multiplicity	normal?	properties
1	#26030680	C₂	1	1	yes	maximal, characteristic
2	#26028969	C₂	1	2	yes	maximal, complemented
3	#26021083	C₂	1	2	yes	maximal, complemented
4	#26020580	C₂	1	8	yes	maximal, complemented
5	#26020003	C₂	1	1	yes	maximal, characteristic, complemented
6	C₈₉×#1837	C₂	1	1	yes	maximal, characteristic, complemented
7	C₂×#15668034	C₂²	1	4	yes	—
8	C₂×#15668020	C₂²	1	4	yes	—
9	#19152148	C₂²	1	2	yes	—
10	#19151982	C₄	1	4	yes	complemented
11	#19151978	C₄	1	1	yes	characteristic, complemented
12	#19151975	C₄	1	1	yes	characteristic, complemented
13	#19151971	C₄	1	2	yes	complemented
14	#19151668	—	2	8	no	—
15	C₂×#15667938	C₂²	1	8	yes	—
16	#19151566	C₂²	1	4	yes	—
17	C₂×#15667923	C₂²	1	1	yes	characteristic
18	#19151444	C₂²	1	1	yes	characteristic
19	#19151352	C₂²	1	4	yes	—
20	#423×C₈₉	C₂²	1	2	yes	—
21	C₂×C₄×C₈×C₈₉	C₂²	1	1	yes	characteristic
22	#341×C₈₉	C₂²	1	4	yes	—
23	C₂×#13083574	C₂³	1	4	yes	—
24	#15668034	—	4	8	no	—
25	C₂×Dic₃₅₆	C₂×C₄	1	4	yes	—
26	C₂×#13083563	C₂×C₄	1	8	yes	—
27	C₂×D₇₁₂	C₂×C₄	1	4	yes	—
28	#15668020	—	4	8	no	—
29	C₂×#13083557	—	2	4	no	—
30	C₂²×#10623494	C₂³	1	2	yes	—
31	C₂×C₈×D₈₉	—	2	4	no	—
32	#15668012	C₂×C₄	1	2	yes	—
33	#15668009	C₂×C₄	1	2	yes	—
34	#15668000	C₂×C₄	1	4	yes	—
35	#15667986	—	2	4	no	—
36	C₄×D₃₅₆	—	2	4	no	—
37	C₂×C₄×Dic₈₉	C₂³	1	2	yes	—
38	#15667938	—	4	8	no	—
39	#15667924	—	2	8	no	—
40	#15667923	D₄	1	4	yes	—
41	#15667919	—	2	2	no	—
42	C₂×M₁₆×C₈₉	C₂³	1	4	yes	—
43	C₂²×C₈×C₈₉	C₂³	1	2	yes	—
44	C₂×C₄²×C₈₉	C₂³	1	1	yes	characteristic
45	C₄⋊C₈×C₈₉	—	2	4	no	—
46	C₄×C₈×C₈₉	C₂×C₄	1	1	yes	characteristic
47	C₄×C₈×C₈₉	C₂×C₄	1	1	yes	characteristic
48	C₄×C₈×C₈₉	C₂×C₄	1	2	yes	—
49	#13083574	—	2	8	no	—
50	#13083574	—	2	8	no	—
51	C₂×Dic₁₇₈	C₂²×C₄	1	4	yes	—
52	C₂×D₃₅₆	—	2	4	no	—
53	C₂×D₃₅₆	C₂²×C₄	1	4	yes	—
54	C₂×C₂²⋊D₈₉	—	2	4	no	—
55	C₂²×Dic₈₉	—	2	2	no	—
56	C₂×C₄×D₈₉	—	2	4	no	—
57	Dic₃₅₆	—	4	4	no	—
58	#13083563	—	4	8	no	—
59	D₇₁₂	—	4	4	no	—
60	#13083557	—	4	8	no	—
61	C₂×#10623494	—	2	4	no	—
62	C₂×#10623494	C₂×D₄	1	4	yes	—
63	C₈×D₈₉	—	4	8	no	—
64	C₄⋊Dic₈₉	—	2	4	no	—
65	#13083551	—	2	8	no	—
66	C₄×Dic₈₉	—	2	4	no	—
67	C₂²×C₄×C₈₉	#41	1	2	yes	—
68	C₂²×C₄×C₈₉	C₂⁴	1	1	yes	characteristic
69	M₁₆×C₈₉	—	2	8	no	—
70	C₂×C₈×C₈₉	—	2	4	no	—
71	C₂×C₈×C₈₉	—	2	4	no	—
72	C₂×C₈×C₈₉	C₂²×C₄	1	2	yes	—
73	C₂×C₈×C₈₉	C₂²×C₄	1	2	yes	—
74	C₄²×C₈₉	C₂²×C₄	1	1	yes	characteristic
75	C₄²×C₈₉	C₂²×C₄	1	1	yes	characteristic
76	C₄²×C₈₉	C₂×D₄	1	2	yes	—
77	C₂³×C₈₉	C₂×#41	1	1	yes	characteristic
78	C₂²×D₈₉	—	2	4	no	—
79	C₂×C₄×C₈₉	—	4	2	no	—
80	C₂×C₄×C₈₉	C₄×D₄	1	2	yes	—
81	C₂×C₄×C₈₉	C₄×D₄	1	2	yes	—
82	C₂×C₄×C₈₉	C₂³×C₄	1	1	yes	characteristic
83	C₂×C₄×C₈₉	C₂²×D₄	1	1	yes	characteristic
84	C₂×C₄×C₈₉	H(5,𝔽₂)	1	4	yes	—
85	C₂²⋊D₈₉	—	4	8	no	—
86	C₂×Dic₈₉	—	2	4	no	—
87	C₂×Dic₈₉	—	4	4	no	—
88	C₂×Dic₈₉	—	4	2	no	—
89	D₃₅₆	—	2	8	no	—
90	D₃₅₆	—	8	4	no	—
91	C₄×D₈₉	—	4	4	no	—
92	C₄×D₈₉	—	4	4	no	—
93	Dic₁₇₈	—	2	8	no	—
94	C₈×C₈₉	—	2	2	no	—
95	C₈×C₈₉	—	2	2	no	—
96	C₈×C₈₉	—	4	4	no	—
97	#10623494	—	2	4	no	—
98	C₂²×C₈₉	—	2	2	no	—
99	C₂²×C₈₉	C₂×C₄×D₄	1	1	yes	characteristic
100	C₂²×C₈₉	#540	1	2	yes	—
101	C₂×D₈₉	—	4	4	no	—
102	C₂×D₈₉	—	4	8	no	—
103	C₄×C₈₉	—	2	2	no	—
104	C₄×C₈₉	—	2	2	no	—
105	C₄×C₈₉	#518	1	2	yes	—
106	C₄×C₈₉	#535	1	2	yes	—
107	Dic₈₉	—	4	4	no	—
108	Dic₈₉	—	8	2	no	—
109	#22282	—	89	1	no	maximal, Sylow
110	C₂×C₈₉	—	2	2	no	—
111	C₂×C₈₉	#2328	1	1	yes	characteristic
112	C₂×C₈₉	#2957	1	2	yes	—
113	D₈₉	—	8	4	no	—
114	#3147	—	89	1	no	—
115	#2932	—	89	2	no	—
116	#1963	—	89	2	no	—
117	#1876	—	89	8	no	—
118	#1837	D₈₉	1	1	yes	characteristic, complemented
119	#1746	—	89	1	no	—
120	C₈₉	#22282	1	1	yes	characteristic, complemented, Sylow
121	C₂×#135	—	89	4	no	—
122	C₂×#131	—	89	4	no	—
123	#532	—	89	2	no	—
124	#495	—	89	4	no	—
125	#494	—	89	1	no	—
126	#493	—	89	1	no	—
127	#492	—	89	2	no	—
128	#435	—	178	8	no	—
129	#423	C₂×D₈₉	1	2	yes	—
130	C₂×#104	—	89	8	no	—
131	#408	—	89	4	no	—
132	C₂×#97	—	89	1	no	—
133	C₂×C₄×C₈	C₂×D₈₉	1	1	yes	characteristic
134	#376	—	89	1	no	—
135	#341	C₂×D₈₉	1	4	yes	—
136	#336	—	89	4	no	—
137	C₂×#41	—	89	4	no	—
138	#135	—	356	8	no	—
139	C₂×Q₁₆	—	89	4	no	—
140	C₂×SD₁₆	—	89	8	no	—
141	C₂×D₈	—	89	4	no	—
142	#131	—	356	8	no	—
143	C₂×M₁₆	—	178	4	no	—
144	C₂×M₁₆	C₂²×D₈₉	1	4	yes	—
145	C₂²×C₈	—	89	2	no	—
146	C₂²×C₈	—	178	4	no	—
147	C₂²×C₈	C₂²×D₈₉	1	2	yes	—
148	C₄⋊Q₈	—	89	2	no	—
149	#127	—	89	2	no	—
150	#124	—	89	4	no	—
151	#121	—	178	4	no	—
152	C₄×D₄	—	178	4	no	—
153	C₂×C₄²	—	89	2	no	—
154	C₂×C₄²	C₂²×D₈₉	1	1	yes	characteristic
155	C₄⋊C₈	—	2	4	no	—
156	#104	—	356	8	no	—
157	C₂²⋊C₈	—	178	8	no	—
158	#97	—	89	4	no	—
159	C₄×C₈	C₄×D₈₉	1	1	yes	characteristic
160	C₄×C₈	C₄×D₈₉	1	1	yes	characteristic
161	C₄×C₈	C₄×D₈₉	1	2	yes	—
162	#95	—	178	2	no	—
163	#41	—	178	8	no	—
164	#41	—	178	8	no	—
165	C₂×Q₈	—	89	4	no	—
166	C₂×D₄	—	89	4	no	—
167	C₂×D₄	—	178	4	no	—
168	C₂×D₄	—	178	4	no	—
169	C₂²×C₄	—	178	2	no	—
170	C₂²×C₄	—	178	4	no	—
171	C₂²×C₄	#13083575	1	2	yes	—
172	C₂²×C₄	C₂³×D₈₉	1	1	yes	characteristic
173	Q₁₆	—	356	4	no	—
174	SD₁₆	—	356	8	no	—
175	D₈	—	356	4	no	—
176	M₁₆	—	2	8	no	—
177	M₁₆	—	356	8	no	—
178	C₂×C₈	—	2	4	no	—
179	C₂×C₈	—	2	4	no	—
180	C₂×C₈	—	89	4	no	—
181	C₂×C₈	—	356	8	no	—
182	C₂×C₈	—	178	4	no	—
183	C₂×C₈	C₂×C₄×D₈₉	1	2	yes	—
184	C₂×C₈	C₂×C₄×D₈₉	1	2	yes	—
185	C₄⋊C₄	—	178	4	no	—
186	C₂²⋊C₄	—	178	8	no	—
187	C₄²	—	178	4	no	—
188	C₄²	C₂×C₄×D₈₉	1	1	yes	characteristic
189	C₄²	C₂×C₄×D₈₉	1	1	yes	characteristic
190	C₄²	D₄×D₈₉	1	2	yes	—
191	C₂³	—	178	4	no	—
192	C₂³	C₂×#13083575	1	1	yes	characteristic
193	Q₈	—	178	8	no	—
194	D₄	—	356	8	no	—
195	D₄	—	178	8	no	—
196	D₄	—	712	4	no	—
197	C₂×C₄	—	4	2	no	—
198	C₂×C₄	—	356	4	no	—
199	C₂×C₄	—	356	4	no	—
200	C₂×C₄	—	356	4	no	—
201	C₂×C₄	—	356	2	no	—
202	C₂×C₄	—	178	4	no	—
203	C₂×C₄	#15667974	1	2	yes	—
204	C₂×C₄	#15667974	1	2	yes	—
205	C₂×C₄	C₂²×C₄×D₈₉	1	1	yes	characteristic
206	C₂×C₄	C₂×D₄×D₈₉	1	1	yes	characteristic
207	C₂×C₄	#15668058	1	4	yes	—
208	C₈	—	2	2	no	—
209	C₈	—	2	2	no	—
210	C₈	—	4	4	no	—
211	C₈	—	178	4	no	—
212	C₂²	—	2	2	no	—
213	C₂²	—	356	4	no	—
214	C₂²	—	356	8	no	—
215	C₂²	C₂×#15667974	1	1	yes	characteristic
216	C₂²	#19152204	1	2	yes	—
217	C₄	—	2	2	no	—
218	C₄	—	2	2	no	—
219	C₄	—	356	4	no	—
220	C₄	—	712	2	no	—
221	C₄	#19152072	1	2	yes	—
222	C₄	#19152166	1	2	yes	—
223	C₂	—	2	2	no	—
224	C₂	—	712	4	no	—
225	C₂	#26022975	1	1	yes	characteristic
226	C₂	#26029168	1	2	yes	—

subgroup

G/H

class size

multiplicity

normal?

properties

#26030680

C₂

yes

maximal, characteristic

#26028969

C₂

yes

maximal, complemented

#26021083

C₂

yes

maximal, complemented

#26020580

C₂

yes

maximal, complemented

#26020003

C₂

yes

maximal, characteristic, complemented

C₈₉×#1837

C₂

yes

maximal, characteristic, complemented

C₂×#15668034

C₂²

yes

—

C₂×#15668020

C₂²

yes

—

#19152148

C₂²

yes

—

#19151982

C₄

yes

complemented

#19151978

C₄

yes

characteristic, complemented

#19151975

C₄

yes

characteristic, complemented

#19151971

C₄

yes

complemented

#19151668

—

C₂×#15667938

C₂²

yes

—

#19151566

C₂²

yes

—

C₂×#15667923

C₂²

yes

characteristic

#19151444

C₂²

yes

characteristic

#19151352

C₂²

yes

—

#423×C₈₉

C₂²

yes

—

C₂×C₄×C₈×C₈₉

C₂²

yes

characteristic

#341×C₈₉

C₂²

yes

—

C₂×#13083574

C₂³

yes

—

#15668034

—

C₂×Dic₃₅₆

C₂×C₄

yes

—

C₂×#13083563

C₂×C₄

yes

—

C₂×D₇₁₂

C₂×C₄

yes

—

#15668020

—

C₂×#13083557

—

C₂²×#10623494

C₂³

yes

—

C₂×C₈×D₈₉

—

#15668012

C₂×C₄

yes

—

#15668009

C₂×C₄

yes

—

#15668000

C₂×C₄

yes

—

#15667986

—

C₄×D₃₅₆

—

C₂×C₄×Dic₈₉

C₂³

yes

—

#15667938

—

#15667924

—

#15667923

D₄

yes

—

#15667919

—

C₂×M₁₆×C₈₉

C₂³

yes

—

C₂²×C₈×C₈₉

C₂³

yes

—

C₂×C₄²×C₈₉

C₂³

yes

characteristic

C₄⋊C₈×C₈₉

—

C₄×C₈×C₈₉

C₂×C₄

yes

characteristic

C₄×C₈×C₈₉

C₂×C₄

yes

characteristic

C₄×C₈×C₈₉

C₂×C₄

yes

—

#13083574

—

#13083574

—

C₂×Dic₁₇₈

C₂²×C₄

yes

—

C₂×D₃₅₆

—

C₂×D₃₅₆

C₂²×C₄

yes

—

C₂×C₂²⋊D₈₉

—

C₂²×Dic₈₉

—

C₂×C₄×D₈₉

—

Dic₃₅₆

—

#13083563

—

D₇₁₂

—

#13083557

—

C₂×#10623494

—

C₂×#10623494

C₂×D₄

yes

—

C₈×D₈₉

—

C₄⋊Dic₈₉

—

#13083551

—

C₄×Dic₈₉

—

C₂²×C₄×C₈₉

#41

yes

—

C₂²×C₄×C₈₉

C₂⁴

yes

characteristic

M₁₆×C₈₉

—

C₂×C₈×C₈₉

—

C₂×C₈×C₈₉

—

C₂×C₈×C₈₉

C₂²×C₄

yes

—

C₂×C₈×C₈₉

C₂²×C₄

yes

—

C₄²×C₈₉

C₂²×C₄

yes

characteristic

C₄²×C₈₉

C₂²×C₄

yes

characteristic

C₄²×C₈₉

C₂×D₄

yes

—

C₂³×C₈₉

C₂×#41

yes

characteristic

C₂²×D₈₉

—

C₂×C₄×C₈₉

—

C₂×C₄×C₈₉

C₄×D₄

yes

—

C₂×C₄×C₈₉

C₄×D₄

yes

—

C₂×C₄×C₈₉

C₂³×C₄

yes

characteristic

C₂×C₄×C₈₉

C₂²×D₄

yes

characteristic

C₂×C₄×C₈₉

H(5,𝔽₂)

yes

—

C₂²⋊D₈₉

—

C₂×Dic₈₉

—

C₂×Dic₈₉

—

C₂×Dic₈₉

—

D₃₅₆

—

D₃₅₆

—

C₄×D₈₉

—

C₄×D₈₉

—

Dic₁₇₈

—

C₈×C₈₉

—

C₈×C₈₉

—

C₈×C₈₉

—

#10623494

—

C₂²×C₈₉

—

C₂²×C₈₉

C₂×C₄×D₄

yes

characteristic

100

C₂²×C₈₉

#540

yes

—

101

C₂×D₈₉

—

102

C₂×D₈₉

—

103

C₄×C₈₉

—

104

C₄×C₈₉

—

105

C₄×C₈₉

#518

yes

—

106

C₄×C₈₉

#535

yes

—

107

Dic₈₉

—

108

Dic₈₉

—

109

#22282

—

maximal, Sylow

110

C₂×C₈₉

—

111

C₂×C₈₉

#2328

yes

characteristic

112

C₂×C₈₉

#2957

yes

—

113

D₈₉

—

114

#3147

—

115

#2932

—

116

#1963

—

117

#1876

—

118

#1837

D₈₉

yes

characteristic, complemented

119

#1746

—

120

C₈₉

#22282

yes

characteristic, complemented, Sylow

121

C₂×#135

—

122

C₂×#131

—

123

#532

—

124

#495

—

125

#494

—

126

#493

—

127

#492

—

128

#435

—

178

—

129

#423

C₂×D₈₉

yes

—

130

C₂×#104

—

131

#408

—

132

C₂×#97

—

133

C₂×C₄×C₈

C₂×D₈₉

yes

characteristic

134

#376

—

135

#341

C₂×D₈₉

yes

—

136

#336

—

137

C₂×#41

—

138

#135

—

356

—

139

C₂×Q₁₆

—

140

C₂×SD₁₆

—

141

C₂×D₈

—

142

#131

—

356

—

143

C₂×M₁₆

—

178

—

144

C₂×M₁₆

C₂²×D₈₉

yes

—

145

C₂²×C₈

—

146

C₂²×C₈

—

178

—

147

C₂²×C₈

C₂²×D₈₉

yes

—

148

C₄⋊Q₈

—

149

#127

—

150

#124

—

151

#121

—

178

—

152

C₄×D₄

—

178

—

153

C₂×C₄²

—

154

C₂×C₄²

C₂²×D₈₉

yes

characteristic

155

C₄⋊C₈

—

156

#104

—

356

—

157

C₂²⋊C₈

—

178

—

158

#97

—

159

C₄×C₈

C₄×D₈₉

yes

characteristic

160

C₄×C₈

C₄×D₈₉

yes

characteristic

161

C₄×C₈

C₄×D₈₉

yes

—

162

#95

—

178

—

163

#41

—

178

—

164

#41

—

178

—

165

C₂×Q₈

—

166

C₂×D₄

—

167

C₂×D₄

—

178

—

168

C₂×D₄

—

178

—

169

C₂²×C₄

—

178

—

170

C₂²×C₄

—

178

—

171

C₂²×C₄

#13083575

yes

—

172

C₂²×C₄

C₂³×D₈₉

yes

characteristic

173

Q₁₆

—

356

—

174

SD₁₆

—

356

—

175

D₈

—

356

—

176

M₁₆

—

177

M₁₆

—

356

—

178

C₂×C₈

—

179

C₂×C₈

—

180

C₂×C₈

—

181

C₂×C₈

—

356

—

182

C₂×C₈

—

178

—

183

C₂×C₈

C₂×C₄×D₈₉

yes

—

184

C₂×C₈

C₂×C₄×D₈₉

yes

—

185

C₄⋊C₄

—

178

—

186

C₂²⋊C₄

—

178

—

187

C₄²

—

178

—

188

C₄²

C₂×C₄×D₈₉

yes

characteristic

189

C₄²

C₂×C₄×D₈₉

yes

characteristic

190

C₄²

D₄×D₈₉

yes

—

191

C₂³

—

178

—

192

C₂³

C₂×#13083575

yes

characteristic

193

Q₈

—

178

—

194

D₄

—

356

—

195

D₄

—

178

—

196

D₄

—

712

—

197

C₂×C₄

—

198

C₂×C₄

—

356

—

199

C₂×C₄

—

356

—

200

C₂×C₄

—

356

—

201

C₂×C₄

—

356

—

202

C₂×C₄

—

178

—

203

C₂×C₄

#15667974

yes

—

204

C₂×C₄

#15667974

yes

—

205

C₂×C₄

C₂²×C₄×D₈₉

yes

characteristic

206

C₂×C₄

C₂×D₄×D₈₉

yes

characteristic

207

C₂×C₄

#15668058

yes

—

208

C₈

—

209

C₈

—

210

C₈

—

211

C₈

—

178

—

212

C₂²

—

213

C₂²

—

356

—

214

C₂²

—

356

—

215

C₂²

C₂×#15667974

yes

characteristic

216

C₂²

#19152204

yes

—

217

C₄

—

218

C₄

—

219

C₄

—

356

—

220

C₄

—

712

—

221

C₄

#19152072

yes

—

222

C₄

#19152166

yes

—

223

C₂

—

224

C₂

—

712

—

225

C₂

#26022975

yes

characteristic

226

C₂

#26029168

yes

—

	subgroup	G/H
center	C₂×C₄	C₂×D₄×D₈₉
commutator	C₂×C₄×C₈₉	C₂³×C₄
Frattini	C₂²×C₄	C₂³×D₈₉
Fitting	C₈₉×#1837	C₂
socle	C₂²×C₈₉	C₂×C₄×D₄
prime radical	#26030680	C₂
cosocle	C₂²×C₄×C₈₉	C₂⁴
hypercenter	#1837	D₈₉
hypocenter	C₈₉	#22282
LCS	G ▷ C₂×C₄×C₈₉ ▷ C₂×C₈₉ ▷ C₈₉
UCS	C₁ ◁ C₂×C₄ ◁ C₂×C₄² ◁ #1837

subgroup

G/H

center

C₂×C₄

C₂×D₄×D₈₉

commutator

C₂×C₄×C₈₉

C₂³×C₄

Frattini

C₂²×C₄

C₂³×D₈₉

Fitting

C₈₉×#1837

C₂

socle

C₂²×C₈₉

C₂×C₄×D₄

prime radical

#26030680

C₂

cosocle

C₂²×C₄×C₈₉

C₂⁴

D₈₉

C₈₉

G ▷ C₂×C₄×C₈₉ ▷ C₂×C₈₉ ▷ C₈₉

UCS

C₁ ◁ C₂×C₄ ◁ C₂×C₄² ◁ #1837

N	H ≅ G/N	type
2. #26028969	C₂	semidirect
3. #26021083	C₂	semidirect
4. #26020580	C₂	semidirect
5. #26020003	C₂	semidirect
6. C₈₉×#1837	C₂	semidirect
10. #19151982	C₄	semidirect
11. #19151978	C₄	semidirect
12. #19151975	C₄	semidirect
13. #19151971	C₄	semidirect
118. #1837	D₈₉	semidirect
120. C₈₉	#22282	semidirect

H ≅ G/N

type

2. #26028969

C₂

semidirect

3. #26021083

C₂

semidirect

4. #26020580

C₂

semidirect

5. #26020003

C₂

semidirect

6. C₈₉×#1837

C₂

semidirect

10. #19151982

C₄

semidirect

11. #19151978

C₄

semidirect

12. #19151975

C₄

semidirect

13. #19151971

C₄

semidirect

118. #1837

D₈₉

semidirect

120. C₈₉

#22282

semidirect

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

subgroup	index
#26030680	2
#26028969	2
#26021083	2
#26020580	2
#26020003	2
C₈₉×#1837	2
#22282	89

subgroup

index

C₈₉×#1837

Subgroups — #36568316

Conjugacy classes of subgroups

Complements

Maximal subgroups