Order = 251596800 =
212.33.52.7.13.
Mult = 2.
Out = 2.
Porting notes
Porting incomplete.Standard generators
Standard generators of G2(4) are a, b where a is in class 2A, b is in class 5C/D, ab has order 13 and abb has order 13. Alternatively: a is in class 2A, b has order 5, ab has order 13, abb has order 13 and ababb has order 15.
Standard generators of 2.G2(4) are preimages A, B where B has order 5 and AB has order 13.
Standard generators of G2(4):2 are c, d where c is in class 2C, d is in class 4D, cd has order 13 and cdcddd has order 6.
Standard generators of 2.G2(4).2 are preimages C, D where CD has order 13.
Standard generators of 2.G2(4).2 (isoclinic) are preimages C, D where CD has order 13.
Representations
Representations of G2(4)
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- Permutation representations:
Number of points ID Generators Description Link 416 Std Details 1365 a Std Details 1365 b Std Details 2016 Std Details 2080 Std Details 20800 Std Details - Matrix representations
Char Ring Dimension ID Generators Description Link 0 Z 65 Std Details 0 Z 78 Std Details 0 Z 350 Std Details Char Ring Dimension ID Generators Description Link 2 GF(4) 6 a Std Details 2 GF(4) 6 b Std Details 2 GF(4) 14 a Std Details 2 GF(4) 14 b Std Details 2 GF(2) 36 Std Details 2 GF(4) 64 a Std Details 2 GF(4) 64 b Std Details 2 GF(4) 84 a Std Details 2 GF(4) 84 b Std Details 2 GF(2) 196 Std Details 2 GF(4) 384 a Std Details 2 GF(4) 896 a Std Details Char Ring Dimension ID Generators Description Link 3 GF(3) 64 Std Details 3 GF(3) 78 Std Details 3 GF(3) 286 Std Details Char Ring Dimension ID Generators Description Link 5 GF(5) 65 Std Details 5 GF(5) 78 Std Details 5 GF(5) 350 Std Details 5 GF(5) 363 a Std Details 5 GF(5) 650 Std Details Char Ring Dimension ID Generators Description Link 7 GF(7) 65 Std Details 7 GF(7) 78 Std Details Char Ring Dimension ID Generators Description Link 13 GF(13) 65 Std Details 13 GF(13) 78 Std Details
Representations of 2.G2(4)
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- Matrix representations
Char Ring Dimension ID Generators Description Link 0 Z[i] 12 Std Details 3 GF(3) 12 Std Details 5 GF(5) 12 Std Details 5 GF(5) 92 Std Details 7 GF(7) 12 Std Details 13 GF(13) 12 Std Details
Representations of G2(4):2
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- Matrix representations
Char Ring Dimension ID Generators Description Link 2 GF(2) 12 Std Details 2 GF(2) 28 Std Details 2 GF(2) 36 Std Details 2 GF(2) 128 Std Details 2 GF(2) 168 Std Details 2 GF(2) 196 Std Details 2 GF(2) 768 Std Details Char Ring Dimension ID Generators Description Link 3 GF(3) 64 Std Details Char Ring Dimension ID Generators Description Link 5 GF(5) 65 Std Details Char Ring Dimension ID Generators Description Link 7 GF(7) 65 Std Details Char Ring Dimension ID Generators Description Link 13 GF(13) 65 Std Details
Representations of 2.G2(4).2
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- Matrix representations
Char Ring Dimension ID Generators Description Link 3 GF(9) 12 Std Details 5 GF(25) 12 Std Details 7 GF(7) 12 Std Details 13 GF(169) 12 Std Details
Representations of 2.G2(4).2 (isoclinic)
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- Matrix representations
Char Ring Dimension ID Generators Description Link 3 GF(3) 12 Std Details
Maximal subgroups
Maximal subgroups of G2(4)
Subgroup | Order | Index | Programs/reps |
---|---|---|---|
J2 | Program: Standard
generators |
||
22+8:(A5 × 3) | Program: Generators mapping onto
standard generators |
||
24+6:(A5 × 3) | Program: Generators |
||
U3(4):2 | Program: Generators |
||
3.L3(4):2 | Program: Generators |
||
U3(3):2 | Program: Generators |
||
A5 × A5 | Program: Generators |
||
L2(13) | Program: Standard
generators |
Maximal subgroups of G2(4):2
Subgroup | Order | Index | Programs/reps |
---|---|---|---|
G2(4) | Program: Standard
generators |
||
J2:2 | |||
22+8:(A5 × 3):2 | |||
24+6:(A5 × 3):2 | |||
U3(4):4 | |||
3.L3(4).2.2 | |||
U3(3):2 × 2 | |||
(A5 × A5):2 | |||
L2(13):2 |
Conjugacy classes
Conjugacy classes of G2(4)
Conjugacy class | Centraliser order | Power up | Class rep(s) |
---|---|---|---|
1A | 251 596 800 |
Omitted
owing to
length. |
|
2A | 61 440 |
Omitted
owing to
length. |
|
2B | 3 840 |
(babbabbababb)3 |
|
3A | 60 480 |
Omitted
owing to
length. |
|
3B | 180 |
babbabbababbbabbabbababb |
|
4A | 1 536 |
Omitted
owing to
length. |
|
4B | 768 |
(abbababbabababbabbababb)3 |
|
4C | 512 |
abbababbabbababb |
|
5A | 300 |
aabababbabbababbaabababbabbababb |
|
5B | 300 |
Omitted
owing to
length. |
|
5C | 300 |
abababbabbababbabababbabbababb |
|
5D | 300 |
abababbabbababbabababbabbababbabababbabbababbabababbabbababb |
|
6A | 192 |
ababbabbababbabbababbababbabbababbabbababb |
|
6B | 12 |
babbabbababb |
|
7A | 21 |
(abababb)3 |
|
8A | 32 |
babababbabbababbaabababbabbababb |
|
8B | 32 |
abbababb |
|
10A | 20 |
(abababbabbababb)3 |
|
10B | 20 |
abababbabbababb |
|
10C | 20 |
(aabababbabbababb)3 |
|
10D | 20 |
aabababbabbababb |
|
12A | 48 |
ababbabbababbabbababb |
|
12B | 48 |
abbababbabababbabbababb |
|
12C | 48 |
(abbababbabababbabbababb)5 |
|
13A | 13 |
abab |
|
13B | 13 | ab |
|
15A | 15 |
ababb |
|
15B | 15 |
ababbababb |
|
15C | 15 |
abbabbababbabbabbababb |
|
15D | 15 |
abbabbababb |
|
21A | 21 |
abababb |
|
21B | 21 |
abababbabababb |
Download words for class representatives.
Conjugacy classes of G2(4):2
Conjugacy class | Centraliser order | Power up | Class rep(s) |
---|---|---|---|
1A | 503 193 600 |
(cdddcdcdcddcdcdcdddcdcdcdd)8 |
|
2A | 122 880 |
(cdddcdcdcddcdcdcdddcdcdcdd)4 |
|
2B | 7 680 |
(cdcdcdcdd)6 |
|
3A | 120 960 |
(ccdcdcdddcdcdcddcdcdd)2 |
|
3B | 360 |
(cdd)2 |
|
4A | 3 072 |
(cdddcdcdcddcdcdcdddcdcdcdd)2 |
|
4B | 1 536 |
(cddcdcdcddcdcdcdcdd)6 |
|
4C | 1 024 |
(cdddcdcdcdd)4 |
|
5A | 300 |
(cdcdcddcdcdcdcdd)2 |
|
5C | 300 |
(cdcdcdddcdcdcddcdcdd)2 |
|
6A | 384 |
(dcdcdcddcdddcdcdcdd)2 |
|
6B | 24 |
(cdcdcdcdd)2 |
|
7A | 42 |
(cdcdcdddcdcdcdd)2 |
|
8A | 64 |
cdddcdcdcddcdcdcdddcdcdcdd |
|
8B | 64 |
(cdddcdcdcdd)2 |
|
10A | 20 |
cdcdcdddcdcdcddcdcdd |
|
10C | 20 |
cdcdcddcdcdcdcdd |
|
12A | 96 |
(cdcdcdd)2 |
|
12B | 96 |
(cddcdcdcddcdcdcdcdd)2 |
|
12C | 96 |
(cddcdcdcddcdcdcdcdd)10 |
|
13A | 13 | cd |
|
15A | 15 |
dcdcdcdcdd |
|
15C | 15 |
cdcdcddcdddcdcdcdd |
|
21A | 21 |
dcdcdcdd |
|
2C | 24 192 |
(cdd)3 |
|
4D | 384 |
(dcdcdcddcdddcdcdcdd)3 |
|
4E | 96 |
(cdcdcdcdd)3 |
|
6C | 432 |
ccdcdcdddcdcdcddcdcdd |
|
6D | 36 | cdd |
|
8C | 192 |
(cdcdcdd)3 |
|
8D | 96 |
(cddcdcdcddcdcdcdcdd)3 |
|
8E | 64 |
ccdddcdcdcddcdcdcdddcdcdcdd |
|
12D | 48 |
dcdcdcddcdddcdcdcdd |
|
12E | 12 |
cdcdcdcdd |
|
14A | 14 |
cdcdcdddcdcdcdd |
|
16A | 16 |
cdddcdcdcdd |
|
16B | 16 |
(cdddcdcdcdd)3 |
|
24A | 24 |
cdcdcdd |
|
24B | 24 |
cddcdcdcddcdcdcdcdd |
|
24C | 24 |
(cddcdcdcddcdcdcdcdd)5 |
Download words for class representatives.