Group #18086980 — subgroups

Subgroups — #18086980

Order 4864.

494 conjugacy classes of subgroups; only the 137 normal subgroups are shown.

normal subgroups only

This group has 494 conjugacy classes of subgroups — too many to draw. Only its 137 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	#14568664	C₂	1	1	yes	maximal, characteristic
2	#14564399	C₂	1	2	yes	maximal
3	#14563791	C₂	1	1	yes	maximal, characteristic
4	#14561474	C₂	1	2	yes	maximal
5	C₁₉×#1296	C₂	1	1	yes	maximal, characteristic
6	C₂×#10597334	—	2	2	no	—
7	C₂×#10597274	—	2	2	no	—
8	C₂×#10597265	—	2	2	no	—
9	C₂×C₄×C₁₉⋊C₈	C₂²	1	1	yes	characteristic
10	#11926464	—	2	2	no	—
11	#11926440	—	2	2	no	—
12	#11926414	C₂²	1	1	yes	characteristic
13	C₄×C₄⋊Dic₁₉	C₂²	1	2	yes	—
14	#11926307	—	2	2	no	—
15	C₂×C₁₉×C₄⋊C₈	C₂²	1	2	yes	—
16	C₁₉×#384	C₂²	1	1	yes	characteristic
17	C₂²×Dic₃₈	—	2	2	no	—
18	C₂²×C₈×C₁₉	—	2	2	no	—
19	C₂×C₄⋊C₄×C₁₉	—	2	2	no	—
20	C₂×C₄⋊C₄×C₁₉	D₄	1	2	yes	—
21	C₂×C₄²×C₁₉	C₂³	1	1	yes	characteristic
22	C₂×C₄⋊Dic₁₉	—	2	2	no	—
23	C₂×C₄⋊Dic₁₉	—	2	1	no	—
24	C₂×C₄⋊Dic₁₉	D₄	1	2	yes	—
25	C₂×C₄⋊Dic₁₉	D₄	1	2	yes	—
26	C₂×Dic₁₉⋊C₄	—	2	4	no	—
27	C₂×C₄×Dic₁₉	—	2	2	no	—
28	C₂²×C₁₉⋊C₈	—	2	1	no	—
29	#10597334	—	4	4	no	—
30	#10597334	—	4	4	no	—
31	C₁₉×C₄⋊C₈	—	2	2	no	—
32	C₁₉×C₄⋊C₈	Q₈	1	4	yes	complemented
33	C₁₉⋊#95	—	2	2	no	—
34	C₁₉⋊#95	—	2	2	no	—
35	#10597274	—	4	4	no	—
36	#10597265	—	4	4	no	—
37	C₄×C₁₉⋊C₈	—	2	1	no	—
38	C₄×C₁₉⋊C₈	Q₈	1	2	yes	complemented
39	C₂²×C₄×C₁₉	—	2	2	no	—
40	C₂²×C₄×C₁₉	C₂×D₄	1	1	yes	characteristic
41	C₂²×C₄×C₁₉	C₂×D₄	1	2	yes	—
42	C₂²×Dic₁₉	—	2	2	no	—
43	C₂²×Dic₁₉	—	2	2	no	—
44	C₂²×Dic₁₉	—	4	1	no	—
45	C₂×Dic₃₈	—	4	8	no	—
46	C₂×Dic₃₈	—	8	2	no	—
47	C₂×C₈×C₁₉	—	2	4	no	—
48	C₂×C₈×C₁₉	—	4	2	no	—
49	C₂×C₈×C₁₉	—	4	2	no	—
50	C₄⋊C₄×C₁₉	—	4	2	no	—
51	C₄⋊C₄×C₁₉	—	4	2	no	—
52	C₄⋊C₄×C₁₉	—	4	2	no	—
53	C₄²×C₁₉	C₂×Q₈	1	2	yes	—
54	C₄²×C₁₉	C₂×Q₈	1	1	yes	characteristic
55	C₄²×C₁₉	#41	1	1	yes	characteristic
56	C₄⋊Dic₁₉	—	2	2	no	—
57	C₄⋊Dic₁₉	—	2	2	no	—
58	C₄⋊Dic₁₉	—	4	2	no	—
59	C₄⋊Dic₁₉	—	4	2	no	—
60	C₄⋊Dic₁₉	—	4	2	no	—
61	C₄⋊Dic₁₉	SD₁₆	1	4	yes	—
62	C₄⋊Dic₁₉	SD₁₆	1	4	yes	—
63	Dic₁₉⋊C₄	—	4	8	no	—
64	C₄×Dic₁₉	—	4	2	no	—
65	C₄×Dic₁₉	—	4	2	no	—
66	C₂×C₁₉⋊C₈	—	2	2	no	—
67	C₂×C₁₉⋊C₈	—	2	2	no	—
68	C₂×C₁₉⋊C₈	—	2	2	no	—
69	#10574	—	19	1	no	maximal, Sylow
70	C₂³×C₁₉	#120	1	1	yes	characteristic
71	C₂×C₄×C₁₉	—	2	1	no	—
72	C₂×C₄×C₁₉	—	2	1	no	—
73	C₂×C₄×C₁₉	—	4	4	no	—
74	C₂×C₄×C₁₉	—	4	2	no	—
75	C₂×C₄×C₁₉	C₂²⋊Q₈	1	2	yes	—
76	C₂×C₄×C₁₉	C₂²⋊Q₈	1	1	yes	characteristic
77	C₂×C₄×C₁₉	C₄⋊Q₈	1	1	yes	characteristic
78	C₂×C₄×C₁₉	C₄⋊Q₈	1	2	yes	—
79	C₂×C₄×C₁₉	C₂×SD₁₆	1	2	yes	—
80	C₂×C₄×C₁₉	C₂×SD₁₆	1	2	yes	—
81	C₂×C₄×C₁₉	AGL(1,ℤ/8)	1	2	yes	—
82	C₂×C₄×C₁₉	#137	1	2	yes	—
83	C₂×Dic₁₉	—	2	4	no	—
84	C₂×Dic₁₉	—	2	4	no	—
85	C₂×Dic₁₉	—	4	2	no	—
86	C₂×Dic₁₉	—	4	2	no	—
87	C₂×Dic₁₉	—	4	2	no	—
88	C₂×Dic₁₉	—	4	2	no	—
89	C₂×Dic₁₉	—	8	2	no	—
90	C₂×Dic₁₉	—	8	1	no	—
91	Dic₃₈	—	8	8	no	—
92	C₈×C₁₉	—	4	4	no	—
93	C₁₉⋊C₈	—	2	4	no	—
94	#2551	—	19	1	no	—
95	#1948	—	19	2	no	—
96	#1844	—	19	1	no	—
97	#1296	D₁₉	1	1	yes	characteristic
98	#1279	—	19	2	no	—
99	C₂²×C₁₉	#395	1	1	yes	characteristic
100	C₂²×C₁₉	#448	1	2	yes	—
101	C₂²×C₁₉	#450	1	2	yes	—
102	C₂²×C₁₉	#453	1	1	yes	characteristic
103	C₂²×C₁₉	#456	1	1	yes	characteristic
104	C₄×C₁₉	—	2	1	no	—
105	C₄×C₁₉	—	2	1	no	—
106	C₄×C₁₉	—	8	2	no	—
107	C₄×C₁₉	#475	1	2	yes	—
108	C₄×C₁₉	#476	1	2	yes	—
109	C₄×C₁₉	#498	1	2	yes	—
110	C₄×C₁₉	#501	1	2	yes	—
111	Dic₁₉	—	4	4	no	—
112	Dic₁₉	—	4	4	no	—
113	Dic₁₉	—	16	1	no	—
114	C₂×C₄⋊Q₈	—	38	2	no	—
115	C₂×#106	—	38	2	no	—
116	C₂×#106	—	38	2	no	—
117	C₂×C₄⋊C₈	C₂×D₁₉	1	2	yes	—
118	C₂×C₄×C₈	—	19	1	no	—
119	#395	—	38	2	no	—
120	#389	—	38	2	no	—
121	#384	—	19	1	no	—
122	#384	C₂×D₁₉	1	1	yes	characteristic
123	C₄×C₄⋊C₄	—	19	2	no	—
124	#340	—	38	2	no	—
125	C₂×C₁₉	#1623	1	1	yes	characteristic
126	C₂×C₁₉	#1629	1	1	yes	characteristic
127	C₂×C₁₉	#1651	1	2	yes	—
128	C₂×C₁₉	#2058	1	2	yes	—
129	C₂×C₁₉	#2060	1	1	yes	characteristic
130	C₂²×Q₈	—	38	2	no	—
131	C₂²×C₈	—	2	2	no	—
132	C₂²×C₈	—	38	1	no	—
133	C₄⋊Q₈	—	76	4	no	—
134	C₄⋊Q₈	—	76	4	no	—
135	C₂×C₄⋊C₄	—	2	2	no	—
136	C₂×C₄⋊C₄	—	19	2	no	—
137	C₂×C₄⋊C₄	—	19	2	no	—
138	C₂×C₄⋊C₄	—	38	4	no	—
139	C₂×C₄⋊C₄	—	38	1	no	—
140	C₂×C₄⋊C₄	—	38	2	no	—
141	C₂×C₄⋊C₄	D₇₆	1	2	yes	—
142	C₂×C₄²	—	38	2	no	—
143	C₂×C₄²	C₂²×D₁₉	1	1	yes	characteristic
144	#106	—	76	4	no	—
145	#106	—	76	4	no	—
146	C₄⋊C₈	—	2	2	no	—
147	C₄⋊C₈	Dic₃₈	1	4	yes	complemented
148	C₄×C₈	—	19	2	no	—
149	C₄×C₈	—	38	1	no	—
150	#95	—	38	2	no	—
151	#95	—	38	2	no	—
152	C₁₉	#10574	1	1	yes	characteristic, complemented, Sylow
153	C₂×Q₈	—	76	8	no	—
154	C₂×Q₈	—	152	2	no	—
155	C₂²×C₄	—	2	2	no	—
156	C₂²×C₄	—	38	2	no	—
157	C₂²×C₄	—	38	2	no	—
158	C₂²×C₄	—	76	1	no	—
159	C₂²×C₄	C₂×D₇₆	1	1	yes	characteristic
160	C₂²×C₄	D₄×D₁₉	1	2	yes	—
161	C₂×C₈	—	2	4	no	—
162	C₂×C₈	—	4	2	no	—
163	C₂×C₈	—	4	2	no	—
164	C₂×C₈	—	38	2	no	—
165	C₂×C₈	—	38	2	no	—
166	C₂×C₈	—	38	2	no	—
167	C₄⋊C₄	—	4	2	no	—
168	C₄⋊C₄	—	4	2	no	—
169	C₄⋊C₄	—	4	2	no	—
170	C₄⋊C₄	—	19	4	no	—
171	C₄⋊C₄	—	19	4	no	—
172	C₄⋊C₄	—	38	2	no	—
173	C₄⋊C₄	—	38	2	no	—
174	C₄⋊C₄	—	76	2	no	—
175	C₄⋊C₄	—	76	8	no	—
176	C₄⋊C₄	—	76	2	no	—
177	C₄⋊C₄	—	76	2	no	—
178	C₄²	—	76	2	no	—
179	C₄²	—	76	2	no	—
180	C₄²	C₂×Dic₃₈	1	2	yes	—
181	C₄²	#64543	1	1	yes	characteristic
182	C₄²	Q₈×D₁₉	1	1	yes	characteristic
183	C₂³	#10597328	1	1	yes	characteristic
184	Q₈	—	152	8	no	—
185	C₂×C₄	—	2	1	no	—
186	C₂×C₄	—	2	1	no	—
187	C₂×C₄	—	4	4	no	—
188	C₂×C₄	—	4	2	no	—
189	C₂×C₄	—	38	4	no	—
190	C₂×C₄	—	38	4	no	—
191	C₂×C₄	—	76	2	no	—
192	C₂×C₄	—	76	2	no	—
193	C₂×C₄	—	76	2	no	—
194	C₂×C₄	—	76	2	no	—
195	C₂×C₄	—	152	2	no	—
196	C₂×C₄	—	152	1	no	—
197	C₂×C₄	#10597315	1	1	yes	characteristic
198	C₂×C₄	#10597324	1	2	yes	—
199	C₂×C₄	#10597334	1	2	yes	—
200	C₂×C₄	#10597343	1	1	yes	characteristic
201	C₂×C₄	#10597357	1	2	yes	—
202	C₂×C₄	SD₁₆×D₁₉	1	2	yes	—
203	C₂×C₄	SD₁₆×D₁₉	1	2	yes	—
204	C₂×C₄	#10597364	1	2	yes	—
205	C₈	—	4	4	no	—
206	C₈	—	38	4	no	—
207	C₂²	#11926465	1	1	yes	characteristic
208	C₂²	#11926684	1	2	yes	—
209	C₂²	#11926696	1	2	yes	—
210	C₂²	#11926714	1	1	yes	characteristic
211	C₂²	#11926729	1	1	yes	characteristic
212	C₄	—	2	1	no	—
213	C₄	—	2	1	no	—
214	C₄	—	8	2	no	—
215	C₄	—	304	1	no	—
216	C₄	—	76	4	no	—
217	C₄	—	76	4	no	—
218	C₄	#11926827	1	2	yes	—
219	C₄	#11926832	1	2	yes	—
220	C₄	#11926941	1	2	yes	—
221	C₄	#11926952	1	2	yes	—
222	C₂	#14562714	1	1	yes	characteristic
223	C₂	#14562752	1	1	yes	characteristic
224	C₂	#14562899	1	2	yes	—
225	C₂	#14564967	1	2	yes	—
226	C₂	#14564981	1	1	yes	characteristic

subgroup

G/H

class size

multiplicity

normal?

properties

#14568664

C₂

yes

maximal, characteristic

#14564399

C₂

yes

maximal

#14563791

C₂

yes

maximal, characteristic

#14561474

C₂

yes

maximal

C₁₉×#1296

C₂

yes

maximal, characteristic

C₂×#10597334

—

C₂×#10597274

—

C₂×#10597265

—

C₂×C₄×C₁₉⋊C₈

C₂²

yes

—

—

C₂²

yes

characteristic

C₄×C₄⋊Dic₁₉

C₂²

yes

—

#11926307

—

C₂×C₁₉×C₄⋊C₈

C₂²

yes

—

C₁₉×#384

C₂²

yes

characteristic

C₂²×Dic₃₈

—

C₂²×C₈×C₁₉

—

C₂×C₄⋊C₄×C₁₉

—

C₂×C₄⋊C₄×C₁₉

D₄

yes

—

C₂×C₄²×C₁₉

C₂³

yes

characteristic

C₂×C₄⋊Dic₁₉

—

C₂×C₄⋊Dic₁₉

—

C₂×C₄⋊Dic₁₉

D₄

yes

—

C₂×C₄⋊Dic₁₉

D₄

yes

—

C₂×Dic₁₉⋊C₄

—

C₂×C₄×Dic₁₉

—

C₂²×C₁₉⋊C₈

—

#10597334

—

#10597334

—

C₁₉×C₄⋊C₈

—

C₁₉×C₄⋊C₈

Q₈

yes

complemented

C₁₉⋊#95

—

C₁₉⋊#95

—

#10597274

—

#10597265

—

C₄×C₁₉⋊C₈

—

C₄×C₁₉⋊C₈

Q₈

yes

complemented

C₂²×C₄×C₁₉

—

C₂²×C₄×C₁₉

C₂×D₄

yes

characteristic

C₂²×C₄×C₁₉

C₂×D₄

yes

—

C₂²×Dic₁₉

—

C₂²×Dic₁₉

—

C₂²×Dic₁₉

—

C₂×Dic₃₈

—

C₂×Dic₃₈

—

C₂×C₈×C₁₉

—

C₂×C₈×C₁₉

—

C₂×C₈×C₁₉

—

C₄⋊C₄×C₁₉

—

C₄⋊C₄×C₁₉

—

C₄⋊C₄×C₁₉

—

C₄²×C₁₉

C₂×Q₈

yes

—

C₄²×C₁₉

C₂×Q₈

yes

characteristic

C₄²×C₁₉

#41

yes

characteristic

C₄⋊Dic₁₉

—

C₄⋊Dic₁₉

—

C₄⋊Dic₁₉

—

C₄⋊Dic₁₉

—

C₄⋊Dic₁₉

—

C₄⋊Dic₁₉

SD₁₆

yes

—

C₄⋊Dic₁₉

SD₁₆

yes

—

Dic₁₉⋊C₄

—

C₄×Dic₁₉

—

C₄×Dic₁₉

—

C₂×C₁₉⋊C₈

—

C₂×C₁₉⋊C₈

—

C₂×C₁₉⋊C₈

—

—

C₂³×C₁₉

yes

C₂×C₄×C₁₉

—

C₂×C₄×C₁₉

—

C₂×C₄×C₁₉

—

C₂×C₄×C₁₉

—

C₂×C₄×C₁₉

C₂²⋊Q₈

yes

—

C₂×C₄×C₁₉

C₂²⋊Q₈

yes

characteristic

C₂×C₄×C₁₉

C₄⋊Q₈

yes

characteristic

C₂×C₄×C₁₉

C₄⋊Q₈

yes

—

C₂×C₄×C₁₉

C₂×SD₁₆

yes

—

C₂×C₄×C₁₉

C₂×SD₁₆

yes

—

C₂×C₄×C₁₉

AGL(1,ℤ/8)

yes

—

C₂×C₄×C₁₉

#137

yes

—

C₂×Dic₁₉

—

C₂×Dic₁₉

—

C₂×Dic₁₉

—

C₂×Dic₁₉

—

C₂×Dic₁₉

—

C₂×Dic₁₉

—

C₂×Dic₁₉

—

C₂×Dic₁₉

—

Dic₃₈

—

C₈×C₁₉

—

C₁₉⋊C₈

—

—

—

—

D₁₉

yes

characteristic

#1279

—

C₂²×C₁₉

#395

yes

characteristic

100

C₂²×C₁₉

#448

yes

—

101

C₂²×C₁₉

#450

yes

—

102

C₂²×C₁₉

#453

yes

characteristic

103

C₂²×C₁₉

#456

yes

characteristic

104

C₄×C₁₉

—

105

C₄×C₁₉

—

106

C₄×C₁₉

—

107

C₄×C₁₉

#475

yes

—

108

C₄×C₁₉

#476

yes

—

109

C₄×C₁₉

#498

yes

—

110

C₄×C₁₉

#501

yes

—

111

Dic₁₉

—

112

Dic₁₉

—

113

Dic₁₉

—

114

C₂×C₄⋊Q₈

—

115

C₂×#106

—

116

C₂×#106

—

117

C₂×C₄⋊C₈

C₂×D₁₉

yes

—

118

C₂×C₄×C₈

—

119

#395

—

120

#389

—

121

#384

—

122

#384

C₂×D₁₉

yes

characteristic

123

C₄×C₄⋊C₄

—

124

#340

—

125

C₂×C₁₉

#1623

yes

characteristic

126

C₂×C₁₉

#1629

yes

characteristic

127

C₂×C₁₉

#1651

yes

—

128

C₂×C₁₉

#2058

yes

—

129

C₂×C₁₉

#2060

yes

characteristic

130

C₂²×Q₈

—

131

C₂²×C₈

—

132

C₂²×C₈

—

133

C₄⋊Q₈

—

134

C₄⋊Q₈

—

135

C₂×C₄⋊C₄

—

136

C₂×C₄⋊C₄

—

137

C₂×C₄⋊C₄

—

138

C₂×C₄⋊C₄

—

139

C₂×C₄⋊C₄

—

140

C₂×C₄⋊C₄

—

141

C₂×C₄⋊C₄

D₇₆

yes

—

142

C₂×C₄²

—

143

C₂×C₄²

C₂²×D₁₉

yes

characteristic

144

#106

—

145

#106

—

146

C₄⋊C₈

—

147

C₄⋊C₈

Dic₃₈

yes

complemented

148

C₄×C₈

—

149

C₄×C₈

—

150

#95

—

151

#95

—

152

C₁₉

#10574

yes

characteristic, complemented, Sylow

153

C₂×Q₈

—

154

C₂×Q₈

—

152

—

155

C₂²×C₄

—

156

C₂²×C₄

—

157

C₂²×C₄

—

158

C₂²×C₄

—

159

C₂²×C₄

C₂×D₇₆

yes

characteristic

160

C₂²×C₄

D₄×D₁₉

yes

—

161

C₂×C₈

—

162

C₂×C₈

—

163

C₂×C₈

—

164

C₂×C₈

—

165

C₂×C₈

—

166

C₂×C₈

—

167

C₄⋊C₄

—

168

C₄⋊C₄

—

169

C₄⋊C₄

—

170

C₄⋊C₄

—

171

C₄⋊C₄

—

172

C₄⋊C₄

—

173

C₄⋊C₄

—

174

C₄⋊C₄

—

175

C₄⋊C₄

—

176

C₄⋊C₄

—

177

C₄⋊C₄

—

178

C₄²

—

179

C₄²

—

180

C₄²

C₂×Dic₃₈

yes

—

181

C₄²

#64543

yes

characteristic

182

C₄²

Q₈×D₁₉

yes

characteristic

183

C₂³

#10597328

yes

characteristic

184

Q₈

—

152

—

185

C₂×C₄

—

186

C₂×C₄

—

187

C₂×C₄

—

188

C₂×C₄

—

189

C₂×C₄

—

190

C₂×C₄

—

191

C₂×C₄

—

192

C₂×C₄

—

193

C₂×C₄

—

194

C₂×C₄

—

195

C₂×C₄

—

152

—

196

C₂×C₄

—

152

—

197

C₂×C₄

#10597315

yes

characteristic

198

C₂×C₄

#10597324

yes

—

199

C₂×C₄

#10597334

yes

—

200

C₂×C₄

#10597343

yes

characteristic

201

C₂×C₄

#10597357

yes

—

202

C₂×C₄

SD₁₆×D₁₉

yes

—

203

C₂×C₄

SD₁₆×D₁₉

yes

—

204

C₂×C₄

#10597364

yes

—

205

C₈

—

206

C₈

—

207

C₂²

#11926465

yes

characteristic

208

C₂²

#11926684

yes

—

209

C₂²

#11926696

yes

—

210

C₂²

#11926714

yes

characteristic

211

C₂²

#11926729

yes

characteristic

212

C₄

—

213

C₄

—

214

C₄

—

215

C₄

—

304

—

216

C₄

—

217

C₄

—

218

C₄

#11926827

yes

—

219

C₄

#11926832

yes

—

220

C₄

#11926941

yes

—

221

C₄

#11926952

yes

—

222

C₂

#14562714

yes

characteristic

223

C₂

#14562752

yes

characteristic

224

C₂

#14562899

yes

—

225

C₂

#14564967

yes

—

226

C₂

#14564981

yes

characteristic

	subgroup	G/H
center	C₂³	#10597328
commutator, cosocle	C₂×C₄²×C₁₉	C₂³
Frattini	C₂×C₄²	C₂²×D₁₉
Fitting	C₁₉×#1296	C₂
socle, prime radical	C₂³×C₁₉	#120
hypercenter	#1296	D₁₉
hypocenter	C₁₉	#10574
LCS	G ▷ C₂×C₄²×C₁₉ ▷ C₂²×C₁₉ ▷ C₁₉
UCS	C₁ ◁ C₂³ ◁ C₂×C₄² ◁ #1296

subgroup

G/H

center

C₂³

#10597328

commutator, cosocle

C₂×C₄²×C₁₉

C₂³

Frattini

C₂×C₄²

C₂²×D₁₉

Fitting

C₁₉×#1296

C₂

C₂³×C₁₉

D₁₉

C₁₉

G ▷ C₂×C₄²×C₁₉ ▷ C₂²×C₁₉ ▷ C₁₉

UCS

C₁ ◁ C₂³ ◁ C₂×C₄² ◁ #1296

N	H ≅ G/N	type
32. C₁₉×C₄⋊C₈	Q₈	semidirect
38. C₄×C₁₉⋊C₈	Q₈	semidirect
147. C₄⋊C₈	Dic₃₈	semidirect
152. C₁₉	#10574	semidirect

H ≅ G/N

type

32. C₁₉×C₄⋊C₈

Q₈

semidirect

38. C₄×C₁₉⋊C₈

Q₈

semidirect

147. C₄⋊C₈

Dic₃₈

semidirect

152. C₁₉

#10574

semidirect

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

subgroup	index
#14568664	2
#14564399	2
#14563791	2
#14561474	2
C₁₉×#1296	2
#10574	19

subgroup

index

C₁₉×#1296

Subgroups — #18086980

Conjugacy classes of subgroups

Complements

Maximal subgroups