Finite Group DatabasebetaFinite Group DatabasebetaOrder 1728.
458 conjugacy classes of subgroups; only the 47 normal subgroups are shown.
This group has 458 conjugacy classes of subgroups — too many to draw. Only its 47 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 | D9×#41⋊C3 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 2 | #11722374 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 3 | C9×#984 | C2 | 1 | 1 | yes | maximal, characteristic, complemented |
| 4 | #11722234 | C2 | 1 | 2 | yes | maximal, complemented |
| 5 | #11722232 | C2 | 1 | 2 | yes | maximal, complemented |
| 6 | #10596456 | — | 3 | 1 | no | maximal |
| 7 | #10589879 | — | 3 | 1 | no | maximal |
| 8 | C9×#41⋊C3 | C22 | 1 | 1 | yes | characteristic |
| 9 | #88635 | — | 4 | 1 | no | maximal |
| 10 | D9×SL(2,𝔽3) | C22 | 1 | 1 | yes | characteristic, complemented |
| 11 | #88615 | C22 | 1 | 1 | yes | characteristic, complemented |
| 12 | C9⋊GL(2,𝔽3) | C22 | 1 | 2 | yes | complemented |
| 13 | C9×#226 | C22 | 1 | 2 | yes | complemented |
| 14 | D3×#41⋊C3 | — | 3 | 1 | no | — |
| 15 | #64267 | — | 3 | 1 | no | — |
| 16 | C3×#984 | D3 | 1 | 1 | yes | characteristic |
| 17 | #64202 | — | 3 | 2 | no | — |
| 18 | #64198 | — | 3 | 2 | no | — |
| 19 | #41×D9 | D3 | 1 | 1 | yes | characteristic, complemented |
| 20 | C2×#3701 | — | 3 | 1 | no | — |
| 21 | #63692 | — | 6 | 1 | no | — |
| 22 | C9×#137 | — | 3 | 1 | no | — |
| 23 | #63512 | — | 3 | 1 | no | — |
| 24 | #63505 | — | 3 | 1 | no | — |
| 25 | #63481 | — | 3 | 2 | no | — |
| 26 | #63480 | — | 3 | 2 | no | — |
| 27 | #63478 | — | 3 | 2 | no | — |
| 28 | #63476 | — | 3 | 2 | no | — |
| 29 | #63470 | — | 3 | 1 | no | — |
| 30 | M16×D9 | — | 3 | 1 | no | — |
| 31 | C4⋊(C3⋊D9) | — | 4 | 1 | no | — |
| 32 | C3×C4×D9 | — | 4 | 1 | no | — |
| 33 | C9×Dic6 | — | 4 | 1 | no | — |
| 34 | C9×SL(2,𝔽3) | C23 | 1 | 1 | yes | characteristic |
| 35 | #6192 | — | 4 | 2 | no | — |
| 36 | (C3⋊D9)⋊C4 | — | 4 | 2 | no | — |
| 37 | #5923 | — | 9 | 1 | no | — |
| 38 | #5777 | — | 9 | 1 | no | — |
| 39 | C3×#41⋊C3 | C2×D3 | 1 | 1 | yes | characteristic |
| 40 | #3799 | — | 12 | 1 | no | — |
| 41 | D3×SL(2,𝔽3) | — | 3 | 1 | no | — |
| 42 | C3⋊(#41⋊C3) | — | 3 | 1 | no | — |
| 43 | C3⋊GL(2,𝔽3) | — | 3 | 2 | no | — |
| 44 | C3×#226 | C2×D3 | 1 | 2 | yes | — |
| 45 | C9×#41 | C2×D3 | 1 | 1 | yes | characteristic |
| 46 | C2×Q8×C9 | — | 3 | 1 | no | — |
| 47 | #3701 | — | 3 | 2 | no | — |
| 48 | #3701 | — | 3 | 2 | no | — |
| 49 | #3701 | — | 6 | 1 | no | — |
| 50 | #3701 | — | 6 | 1 | no | — |
| 51 | #3701 | C2×D3 | 1 | 1 | yes | characteristic |
| 52 | Q8×D9 | C2×D3 | 1 | 1 | yes | characteristic |
| 53 | #3699 | — | 3 | 1 | no | — |
| 54 | D4×D9 | — | 3 | 1 | no | — |
| 55 | #3697 | — | 3 | 1 | no | — |
| 56 | C2×D36 | — | 3 | 1 | no | — |
| 57 | C2×D36 | — | 6 | 1 | no | — |
| 58 | C2×C4×D9 | — | 3 | 1 | no | — |
| 59 | C2×C4×D9 | — | 6 | 1 | no | — |
| 60 | #41⋊C9 | — | 2 | 1 | no | — |
| 61 | #3689 | — | 6 | 2 | no | — |
| 62 | C9×Q16 | — | 3 | 2 | no | — |
| 63 | C9×SD16 | — | 3 | 2 | no | — |
| 64 | C9×M16 | — | 3 | 1 | no | — |
| 65 | #3675 | — | 3 | 2 | no | — |
| 66 | #3675 | — | 3 | 2 | no | — |
| 67 | #3674 | — | 3 | 2 | no | — |
| 68 | #3673 | — | 3 | 2 | no | — |
| 69 | #3667 | — | 3 | 1 | no | — |
| 70 | D72 | — | 3 | 2 | no | — |
| 71 | #3664 | — | 3 | 2 | no | — |
| 72 | #3663 | — | 3 | 2 | no | — |
| 73 | C8×D9 | — | 3 | 2 | no | — |
| 74 | C2×C3⋊D9 | — | 4 | 2 | no | — |
| 75 | C2×C3×D9 | — | 4 | 1 | no | — |
| 76 | C3×C4×C9 | — | 4 | 1 | no | — |
| 77 | C9×Dic3 | — | 4 | 2 | no | — |
| 78 | C3×Dic9 | — | 4 | 1 | no | — |
| 79 | D3×#41 | — | 3 | 1 | no | — |
| 80 | C2×#239 | — | 9 | 1 | no | — |
| 81 | C2×#41⋊C3 | — | 9 | 1 | no | — |
| 82 | #986 | — | 9 | 1 | no | — |
| 83 | #986 | — | 18 | 1 | no | — |
| 84 | #985 | — | 9 | 2 | no | — |
| 85 | #984 | D9 | 1 | 1 | yes | characteristic, complemented |
| 86 | #983 | — | 9 | 2 | no | — |
| 87 | C3×#137 | — | 3 | 1 | no | — |
| 88 | #949 | — | 9 | 1 | no | — |
| 89 | #942 | — | 9 | 1 | no | — |
| 90 | #919 | — | 9 | 2 | no | — |
| 91 | #918 | — | 9 | 2 | no | — |
| 92 | #916 | — | 9 | 2 | no | — |
| 93 | #914 | — | 9 | 2 | no | — |
| 94 | #908 | — | 9 | 1 | no | — |
| 95 | D3×M16 | — | 9 | 1 | no | — |
| 96 | C4⋊(C3⋊D3) | — | 12 | 1 | no | — |
| 97 | C3×C4×D3 | — | 12 | 1 | no | — |
| 98 | C3×Dic6 | — | 4 | 1 | no | — |
| 99 | C3×SL(2,𝔽3) | C22×D3 | 1 | 1 | yes | characteristic |
| 100 | #626 | — | 12 | 2 | no | — |
| 101 | #624 | — | 12 | 2 | no | — |
| 102 | C22×D9 | — | 3 | 1 | no | — |
| 103 | C22×D9 | — | 6 | 1 | no | — |
| 104 | Q8×C9 | — | 3 | 2 | no | — |
| 105 | Q8×C9 | — | 6 | 1 | no | — |
| 106 | Q8×C9 | C22×D3 | 1 | 1 | yes | characteristic |
| 107 | D4×C9 | — | 3 | 1 | no | — |
| 108 | C2×C4×C9 | — | 3 | 1 | no | — |
| 109 | C2×C4×C9 | — | 6 | 1 | no | — |
| 110 | #611 | — | 6 | 1 | no | — |
| 111 | C2×Dic9 | — | 3 | 1 | no | — |
| 112 | D36 | — | 3 | 1 | no | — |
| 113 | D36 | — | 3 | 2 | no | — |
| 114 | D36 | — | 6 | 2 | no | — |
| 115 | D36 | — | 6 | 2 | no | — |
| 116 | D36 | — | 6 | 1 | no | — |
| 117 | D36 | — | 24 | 1 | no | — |
| 118 | C4×D9 | — | 3 | 1 | no | — |
| 119 | C4×D9 | — | 3 | 1 | no | — |
| 120 | C4×D9 | — | 3 | 1 | no | — |
| 121 | C4×D9 | — | 6 | 2 | no | — |
| 122 | C4×D9 | — | 6 | 2 | no | — |
| 123 | C4×D9 | S4 | 1 | 1 | yes | characteristic |
| 124 | Dic18 | — | 3 | 1 | no | — |
| 125 | Q8⋊C9 | — | 2 | 1 | no | — |
| 126 | C8×C9 | — | 3 | 2 | no | — |
| 127 | C9⋊C8 | — | 3 | 2 | no | — |
| 128 | #575 | — | 27 | 1 | no | Sylow |
| 129 | C2×C3×C9 | — | 4 | 1 | no | — |
| 130 | C3⋊D9 | — | 8 | 2 | no | — |
| 131 | C3×D9 | — | 8 | 1 | no | — |
| 132 | C3×#41 | D32 | 1 | 1 | yes | characteristic |
| 133 | C2×C3×Q8 | — | 3 | 1 | no | — |
| 134 | #239 | — | 3 | 1 | no | — |
| 135 | #239 | — | 9 | 2 | no | — |
| 136 | #239 | — | 9 | 2 | no | — |
| 137 | #239 | — | 18 | 1 | no | — |
| 138 | #239 | — | 18 | 1 | no | — |
| 139 | D3×Q8 | — | 3 | 1 | no | — |
| 140 | #237 | — | 9 | 1 | no | — |
| 141 | D3×D4 | — | 9 | 1 | no | — |
| 142 | #235 | — | 9 | 1 | no | — |
| 143 | #235 | — | 36 | 1 | no | — |
| 144 | C2×D12 | — | 9 | 1 | no | — |
| 145 | C2×D12 | — | 18 | 1 | no | — |
| 146 | C2×C4×D3 | — | 9 | 1 | no | — |
| 147 | C2×C4×D3 | — | 18 | 1 | no | — |
| 148 | #41⋊C3 | — | 2 | 1 | no | — |
| 149 | #41⋊C3 | — | 9 | 1 | no | — |
| 150 | #41⋊C3 | C2×D9 | 1 | 1 | yes | characteristic |
| 151 | C2×SL(2,𝔽3) | — | 9 | 1 | no | — |
| 152 | GL(2,𝔽3) | — | 9 | 2 | no | — |
| 153 | GL(2,𝔽3) | — | 18 | 2 | no | — |
| 154 | #226 | C2×D9 | 1 | 2 | yes | complemented |
| 155 | C3×Q16 | — | 3 | 2 | no | — |
| 156 | C3×SD16 | — | 3 | 2 | no | — |
| 157 | C3×M16 | — | 3 | 1 | no | — |
| 158 | #216 | — | 9 | 2 | no | — |
| 159 | #215 | — | 9 | 2 | no | — |
| 160 | #215 | — | 9 | 2 | no | — |
| 161 | #213 | — | 9 | 2 | no | — |
| 162 | #208 | — | 9 | 1 | no | — |
| 163 | D24 | — | 9 | 2 | no | — |
| 164 | #204 | — | 9 | 2 | no | — |
| 165 | ΓL(1,𝔽25) | — | 9 | 2 | no | — |
| 166 | D3×C8 | — | 9 | 2 | no | — |
| 167 | C2×C3⋊D3 | — | 12 | 2 | no | — |
| 168 | C2×C3×D3 | — | 12 | 1 | no | — |
| 169 | C32×C4 | — | 4 | 1 | no | — |
| 170 | C3×Dic3 | — | 4 | 2 | no | — |
| 171 | C3×Dic3 | — | 12 | 1 | no | — |
| 172 | C22×C9 | — | 3 | 1 | no | — |
| 173 | C2×D9 | — | 3 | 1 | no | — |
| 174 | C2×D9 | — | 6 | 2 | no | — |
| 175 | C2×D9 | — | 12 | 1 | no | — |
| 176 | C2×D9 | — | 12 | 2 | no | — |
| 177 | C2×D9 | — | 24 | 2 | no | — |
| 178 | C2×D9 | C2×S4 | 1 | 1 | yes | characteristic |
| 179 | C4×C9 | — | 3 | 1 | no | — |
| 180 | C4×C9 | — | 6 | 2 | no | — |
| 181 | C4×C9 | — | 8 | 1 | no | — |
| 182 | C4×C9 | C2×S4 | 1 | 1 | yes | characteristic |
| 183 | Dic9 | — | 3 | 1 | no | — |
| 184 | Dic9 | C2×S4 | 1 | 1 | yes | characteristic |
| 185 | C2×#41 | — | 9 | 1 | no | — |
| 186 | C2×#41 | — | 27 | 1 | no | — |
| 187 | #137 | — | 3 | 1 | no | — |
| 188 | #137 | — | 27 | 2 | no | — |
| 189 | #137 | — | 27 | 1 | no | — |
| 190 | AGL(1,ℤ/8) | — | 27 | 1 | no | — |
| 191 | AGL(1,ℤ/8) | — | 27 | 2 | no | — |
| 192 | AGL(1,ℤ/8) | — | 27 | 1 | no | — |
| 193 | #135 | — | 27 | 2 | no | — |
| 194 | #135 | — | 27 | 2 | no | — |
| 195 | C2×M16 | — | 27 | 1 | no | — |
| 196 | C3×C9 | — | 4 | 1 | no | Sylow |
| 197 | C22×D3 | — | 9 | 1 | no | — |
| 198 | C22×D3 | — | 18 | 1 | no | — |
| 199 | C3×Q8 | — | 3 | 2 | no | — |
| 200 | C3×Q8 | — | 6 | 1 | no | — |
| 201 | C3×Q8 | C2×D32 | 1 | 1 | yes | characteristic |
| 202 | C3×D4 | — | 3 | 1 | no | — |
| 203 | C2×C3×C4 | — | 3 | 1 | no | — |
| 204 | C2×C3×C4 | — | 6 | 1 | no | — |
| 205 | C2×C3×C4 | — | 36 | 1 | no | — |
| 206 | #67 | — | 18 | 1 | no | — |
| 207 | #67 | — | 36 | 2 | no | — |
| 208 | C2×Dic3 | — | 9 | 1 | no | — |
| 209 | D12 | — | 9 | 1 | no | — |
| 210 | D12 | — | 9 | 2 | no | — |
| 211 | D12 | — | 18 | 2 | no | — |
| 212 | D12 | — | 18 | 2 | no | — |
| 213 | D12 | — | 18 | 1 | no | — |
| 214 | D12 | — | 36 | 1 | no | — |
| 215 | D12 | — | 72 | 1 | no | — |
| 216 | C4×D3 | — | 3 | 1 | no | — |
| 217 | C4×D3 | — | 9 | 1 | no | — |
| 218 | C4×D3 | — | 9 | 1 | no | — |
| 219 | C4×D3 | — | 9 | 1 | no | — |
| 220 | C4×D3 | — | 18 | 2 | no | — |
| 221 | C4×D3 | — | 18 | 2 | no | — |
| 222 | C4×D3 | — | 36 | 2 | no | — |
| 223 | Dic6 | — | 4 | 1 | no | — |
| 224 | Dic6 | — | 9 | 1 | no | — |
| 225 | SL(2,𝔽3) | — | 2 | 1 | no | — |
| 226 | SL(2,𝔽3) | C22×D9 | 1 | 1 | yes | characteristic |
| 227 | C3×C8 | — | 3 | 2 | no | — |
| 228 | C3⋊C8 | — | 9 | 2 | no | — |
| 229 | C2×C32 | — | 4 | 1 | no | — |
| 230 | C3⋊D3 | — | 24 | 2 | no | — |
| 231 | C3×D3 | — | 24 | 1 | no | — |
| 232 | C2×C9 | — | 6 | 1 | no | — |
| 233 | C2×C9 | — | 8 | 1 | no | — |
| 234 | C2×C9 | C22×S4 | 1 | 1 | yes | characteristic |
| 235 | D9 | — | 2 | 1 | no | — |
| 236 | D9 | — | 6 | 1 | no | — |
| 237 | D9 | — | 12 | 2 | no | — |
| 238 | D9 | — | 48 | 2 | no | — |
| 239 | #41 | — | 9 | 1 | no | — |
| 240 | #41 | — | 27 | 1 | no | — |
| 241 | #41 | — | 27 | 1 | no | — |
| 242 | #41 | — | 27 | 2 | no | — |
| 243 | #41 | — | 27 | 2 | no | — |
| 244 | #41 | — | 54 | 1 | no | — |
| 245 | #41 | — | 54 | 1 | no | — |
| 246 | #41 | D3×D9 | 1 | 1 | yes | characteristic |
| 247 | C2×Q8 | — | 3 | 1 | no | — |
| 248 | C2×Q8 | — | 9 | 1 | no | — |
| 249 | C2×D4 | — | 27 | 1 | no | — |
| 250 | C2×D4 | — | 27 | 1 | no | — |
| 251 | C2×D4 | — | 54 | 1 | no | — |
| 252 | C22×C4 | — | 27 | 1 | no | — |
| 253 | C22×C4 | — | 54 | 1 | no | — |
| 254 | Q16 | — | 3 | 2 | no | — |
| 255 | Q16 | — | 27 | 2 | no | — |
| 256 | SD16 | — | 3 | 2 | no | — |
| 257 | SD16 | — | 27 | 2 | no | — |
| 258 | SD16 | — | 27 | 2 | no | — |
| 259 | SD16 | — | 27 | 2 | no | — |
| 260 | D8 | — | 27 | 2 | no | — |
| 261 | D8 | — | 27 | 2 | no | — |
| 262 | M16 | — | 3 | 1 | no | — |
| 263 | M16 | — | 27 | 2 | no | — |
| 264 | M16 | — | 27 | 1 | no | — |
| 265 | C2×C8 | — | 27 | 2 | no | — |
| 266 | C22×C3 | — | 3 | 1 | no | — |
| 267 | C22×C3 | — | 36 | 1 | no | — |
| 268 | C2×D3 | — | 3 | 1 | no | — |
| 269 | C2×D3 | — | 9 | 1 | no | — |
| 270 | C2×D3 | — | 18 | 2 | no | — |
| 271 | C2×D3 | — | 36 | 2 | no | — |
| 272 | C2×D3 | — | 36 | 1 | no | — |
| 273 | C2×D3 | — | 36 | 2 | no | — |
| 274 | C2×D3 | — | 72 | 2 | no | — |
| 275 | C3×C4 | — | 3 | 1 | no | — |
| 276 | C3×C4 | — | 4 | 1 | no | — |
| 277 | C3×C4 | — | 6 | 2 | no | — |
| 278 | C3×C4 | — | 8 | 1 | no | — |
| 279 | C3×C4 | — | 36 | 1 | no | — |
| 280 | C3×C4 | D3×S4 | 1 | 1 | yes | characteristic |
| 281 | Dic3 | — | 3 | 1 | no | — |
| 282 | Dic3 | — | 4 | 2 | no | — |
| 283 | Dic3 | — | 9 | 1 | no | — |
| 284 | C32 | — | 4 | 1 | no | — |
| 285 | C9 | — | 8 | 1 | no | — |
| 286 | C9 | #5923 | 1 | 1 | yes | characteristic, complemented |
| 287 | C23 | — | 27 | 1 | no | — |
| 288 | C23 | — | 54 | 1 | no | — |
| 289 | Q8 | — | 3 | 2 | no | — |
| 290 | Q8 | — | 6 | 1 | no | — |
| 291 | Q8 | — | 27 | 1 | no | — |
| 292 | Q8 | C2×D3×D9 | 1 | 1 | yes | characteristic |
| 293 | D4 | — | 3 | 1 | no | — |
| 294 | D4 | — | 27 | 1 | no | — |
| 295 | D4 | — | 27 | 2 | no | — |
| 296 | D4 | — | 54 | 2 | no | — |
| 297 | D4 | — | 54 | 2 | no | — |
| 298 | D4 | — | 54 | 1 | no | — |
| 299 | D4 | — | 54 | 1 | no | — |
| 300 | C2×C4 | — | 3 | 1 | no | — |
| 301 | C2×C4 | — | 6 | 1 | no | — |
| 302 | C2×C4 | — | 9 | 1 | no | — |
| 303 | C2×C4 | — | 27 | 1 | no | — |
| 304 | C2×C4 | — | 27 | 1 | no | — |
| 305 | C2×C4 | — | 27 | 1 | no | — |
| 306 | C2×C4 | — | 27 | 1 | no | — |
| 307 | C2×C4 | — | 54 | 2 | no | — |
| 308 | C2×C4 | — | 54 | 2 | no | — |
| 309 | C8 | — | 3 | 2 | no | — |
| 310 | C8 | — | 27 | 2 | no | — |
| 311 | C2×C3 | — | 4 | 1 | no | — |
| 312 | C2×C3 | — | 6 | 1 | no | — |
| 313 | C2×C3 | — | 8 | 1 | no | — |
| 314 | C2×C3 | — | 72 | 1 | no | — |
| 315 | C2×C3 | C2×D3×S4 | 1 | 1 | yes | characteristic |
| 316 | D3 | — | 6 | 1 | no | — |
| 317 | D3 | — | 18 | 1 | no | — |
| 318 | D3 | — | 36 | 2 | no | — |
| 319 | D3 | — | 72 | 2 | no | — |
| 320 | D3 | — | 144 | 2 | no | — |
| 321 | C22 | — | 3 | 1 | no | — |
| 322 | C22 | — | 9 | 1 | no | — |
| 323 | C22 | — | 27 | 1 | no | — |
| 324 | C22 | — | 54 | 2 | no | — |
| 325 | C22 | — | 108 | 1 | no | — |
| 326 | C22 | — | 108 | 2 | no | — |
| 327 | C4 | — | 3 | 1 | no | — |
| 328 | C4 | — | 6 | 2 | no | — |
| 329 | C4 | — | 9 | 1 | no | — |
| 330 | C4 | — | 27 | 1 | no | — |
| 331 | C4 | D9×S4 | 1 | 1 | yes | characteristic |
| 332 | C3 | — | 4 | 1 | no | — |
| 333 | C3 | — | 8 | 1 | no | — |
| 334 | C3 | #10596456 | 1 | 1 | yes | characteristic |
| 335 | C2 | — | 6 | 1 | no | — |
| 336 | C2 | — | 18 | 1 | no | — |
| 337 | C2 | — | 54 | 1 | no | — |
| 338 | C2 | — | 108 | 2 | no | — |
| 339 | C2 | C2×D9×S4 | 1 | 1 | yes | characteristic |
| subgroup | G/H | |
|---|---|---|
| center | C2 | C2×D9×S4 |
| commutator, cosocle, hypocenter | C9×SL(2,𝔽3) | C23 |
| Frattini, socle | C2×C3 | C2×D3×S4 |
| Fitting | C9×#41 | C2×D3 |
| hypercenter | C4 | D9×S4 |
| LCS | G ▷ C9×SL(2,𝔽3) | |
| UCS | C1 ◁ C2 ◁ C4 | |
Splittings G = N ⋊ H with N normal; H ≅ G/N.
| N | H ≅ G/N | type |
|---|---|---|
| 1. D9×#41⋊C3 | C2 | semidirect |
| 2. #11722374 | C2 | semidirect |
| 3. C9×#984 | C2 | semidirect |
| 4. #11722234 | C2 | semidirect |
| 5. #11722232 | C2 | semidirect |
| 10. D9×SL(2,𝔽3) | C22 | semidirect |
| 11. #88615 | C22 | semidirect |
| 12. C9⋊GL(2,𝔽3) | C22 | semidirect |
| 13. C9×#226 | C22 | semidirect |
| 19. #41×D9 | D3 | semidirect |
| 85. #984 | D9 | semidirect |
| 154. #226 | C2×D9 | semidirect |
| 286. C9 | #5923 | semidirect |
By isomorphism type — maximal subgroups of the same type appear once, whether or not they are normal.
| subgroup | index |
|---|---|
| D9×#41⋊C3 | 2 |
| #11722374 | 2 |
| C9×#984 | 2 |
| #11722234 | 2 |
| #11722232 | 2 |
| #10596456 | 3 |
| #10589879 | 3 |
| #88635 | 4 |