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Label | Name | Order | Parity | Solvable | Subfields | Low Degree Siblings |
---|---|---|---|---|---|---|
21T1 | $C_{21}$ | $21$ | $1$ | ✓ | $C_3$, $C_7$ | |
21T2 | $C_7:C_3$ | $21$ | $1$ | ✓ | $C_3$, $C_7:C_3$ | 7T3 |
21T3 | $C_3\times D_7$ | $42$ | $-1$ | ✓ | $C_3$, $D_{7}$ | 42T3 |
21T4 | $F_7$ | $42$ | $-1$ | ✓ | $C_3$, $F_7$ | 7T4, 14T4, 42T4 |
21T5 | $D_{21}$ | $42$ | $1$ | ✓ | $S_3$, $D_{7}$ | 42T5 |
21T6 | $S_3\times C_7$ | $42$ | $-1$ | ✓ | $S_3$, $C_7$ | 42T6 |
21T7 | $C_{21}:C_3$ | $63$ | $1$ | ✓ | $C_3$, $C_7:C_3$ | 21T7 x 2 |
21T8 | $S_3\times D_7$ | $84$ | $-1$ | ✓ | $S_3$, $D_{7}$ | 42T13, 42T14, 42T15 |
21T9 | $C_3\times F_7$ | $126$ | $-1$ | ✓ | $C_3$, $F_7$ | 21T9 x 2, 42T17 x 3 |
21T10 | $C_{21}:C_6$ | $126$ | $1$ | ✓ | $S_3$, $F_7$ | 42T18, 42T22 |
21T11 | $C_{21}:C_6$ | $126$ | $-1$ | ✓ | $S_3$, $C_7:C_3$ | 42T19, 42T23 |
21T12 | $C_7^2:C_3$ | $147$ | $1$ | ✓ | $C_3$ | 21T12 |
21T13 | $C_7:C_{21}$ | $147$ | $1$ | ✓ | $C_3$ | 21T13 |
21T14 | $\PSL(2,7)$ | $168$ | $1$ | $\GL(3,2)$ x 2 | 7T5 x 2, 8T37, 14T10 x 2, 24T284, 28T32, 42T37, 42T38 x 2 | |
21T15 | $S_3\times F_7$ | $252$ | $-1$ | ✓ | $S_3$, $F_7$ | 42T43, 42T44, 42T45, 42T52 |
21T16 | $C_7:F_7$ | $294$ | $-1$ | ✓ | $C_3$ | 21T16, 42T55 x 2 |
21T17 | $C_7^2:S_3$ | $294$ | $1$ | ✓ | $S_3$ | 14T15, 21T18, 42T56, 42T57, 42T62 |
21T18 | $C_7^2:S_3$ | $294$ | $-1$ | ✓ | $S_3$ | 14T15, 21T17, 42T56, 42T57, 42T62 |
21T19 | $C_7:F_7$ | $294$ | $-1$ | ✓ | $C_3$ | 21T19, 42T58 x 2 |
21T20 | $\PGL(2,7)$ | $336$ | $-1$ | 8T43, 14T16, 16T713, 24T707, 28T42, 28T46, 42T81, 42T82, 42T83 | ||
21T21 | $C_7^2:C_3^2$ | $441$ | $1$ | ✓ | $C_3$ | 21T21 |
21T22 | $C_3\times \GL(3,2)$ | $504$ | $1$ | $C_3$, $\GL(3,2)$ | 21T22, 24T1355 x 2, 24T1356, 42T96 x 2, 42T103 x 2 | |
21T23 | $C_7^2:D_6$ | $588$ | $-1$ | ✓ | $S_3$ | 14T25, 21T23, 28T78, 42T110 x 2, 42T111 x 2, 42T112 x 2, 42T122 |
21T24 | $C_7:(C_3\times F_7)$ | $882$ | $-1$ | ✓ | $C_3$ | 21T24, 42T142 x 2 |
21T25 | $C_7^2:(C_3\times S_3)$ | $882$ | $1$ | ✓ | $S_3$ | 14T26, 21T26, 42T143, 42T144, 42T152, 42T153, 42T154, 42T155 |
21T26 | $C_7^2:(C_3\times S_3)$ | $882$ | $-1$ | ✓ | $S_3$ | 14T26, 21T25, 42T143, 42T144, 42T152, 42T153, 42T154, 42T155 |
21T27 | $S_3\times \GL(3,2)$ | $1008$ | $-1$ | $S_3$, $\GL(3,2)$ | 21T27, 24T2671, 42T169 x 2, 42T170 x 2, 42T171 x 2, 42T175 x 2 | |
21T28 | $C_7\wr C_3$ | $1029$ | $1$ | ✓ | $C_3$ | 21T28 x 11 |
21T29 | $C_7^2:(C_6\times S_3)$ | $1764$ | $-1$ | ✓ | $S_3$ | 14T37, 21T29, 28T170, 42T223 x 2, 42T224 x 2, 42T225 x 2, 42T252, 42T253, 42T254, 42T255 |
21T30 | $C_7^2:D_{21}$ | $2058$ | $1$ | ✓ | $S_3$ | 21T30 x 5, 42T267 x 6, 42T280 x 3, 42T283 x 2 |
21T31 | $C_7^3:C_6$ | $2058$ | $-1$ | ✓ | $C_3$ | 21T31 x 11, 42T268 x 12 |
21T32 | $C_7\wr S_3$ | $2058$ | $-1$ | ✓ | $S_3$ | 21T32 x 5, 42T269 x 6, 42T281 x 3, 42T282 x 2 |
21T33 | $A_7$ | $2520$ | $1$ | 7T6, 15T47 x 2, 35T28, 42T294, 42T299 | ||
21T34 | $C_7^3:C_3^2$ | $3087$ | $1$ | ✓ | $C_3$ | 21T34 x 11 |
21T35 | $C_7^3:C_9$ | $3087$ | $1$ | ✓ | $C_3$ | 21T35 x 18 |
21T36 | $C_7^3:A_4$ | $4116$ | $1$ | ✓ | $C_3$ | 28T275, 28T276 x 2, 42T390 x 2, 42T391, 42T406 x 2, 42T407 |
21T37 | $C_7^3:D_6$ | $4116$ | $-1$ | ✓ | $S_3$ | 21T37 x 5, 42T392 x 6, 42T393 x 6, 42T394 x 6, 42T400 x 3, 42T401 x 2 |
21T38 | $S_7$ | $5040$ | $-1$ | 7T7, 14T46, 30T565, 35T31, 42T411, 42T412, 42T413, 42T418 | ||
21T39 | $C_3^6:C_7$ | $5103$ | $1$ | ✓ | $C_7$ | 21T39 x 51 |
21T40 | $C_7^3:(C_3\times S_3)$ | $6174$ | $-1$ | ✓ | $S_3$ | 21T40 x 5, 42T464 x 6, 42T473 x 3, 42T474 x 2 |
21T41 | $C_3^4.S_3^2$ | $6174$ | $1$ | ✓ | $S_3$ | 21T41 x 5, 42T465 x 6, 42T472 x 3, 42T475 x 2 |
21T42 | $C_7^3:C_{18}$ | $6174$ | $-1$ | ✓ | $C_3$ | 21T42 x 18, 42T466 x 19 |
21T43 | $C_5^4:D_4$ | $6174$ | $-1$ | ✓ | $C_3$ | 21T43 x 11, 42T467 x 12 |
21T44 | $C_3\times A_7$ | $7560$ | $1$ | $C_3$, $A_7$ | 45T442 x 2 | |
21T45 | $D_7\wr C_3$ | $8232$ | $-1$ | ✓ | $C_3$ | 28T349, 28T350 x 2, 42T533, 42T534, 42T535 x 2, 42T536 x 2, 42T537, 42T545 x 2, 42T546 |
21T46 | $C_7^3:S_4$ | $8232$ | $-1$ | ✓ | $S_3$ | 28T347, 42T538, 42T539, 42T540, 42T548 |
21T47 | $C_7^3:S_4$ | $8232$ | $1$ | ✓ | $S_3$ | 28T348, 42T541, 42T542, 42T543, 42T547 |
21T48 | $C_7^3:\He_3$ | $9261$ | $1$ | ✓ | $C_3$ | 21T48 x 3 |
21T49 | $C_7^3:C_9:C_3$ | $9261$ | $1$ | ✓ | $C_3$ | |
21T50 | $C_3^6.C_{14}$ | $10206$ | $-1$ | ✓ | $C_7$ | 21T50 x 51, 42T554 x 52 |
Results are complete for degrees $\leq 23$.