Group information
Description: | $C_{32}.D_{128}$ |
Order: | \(8192\)\(\medspace = 2^{13} \) |
Exponent: | \(256\)\(\medspace = 2^{8} \) |
Automorphism group: | Group of order \(262144\)\(\medspace = 2^{18} \) |
Outer automorphisms: | Group of order \(1024\)\(\medspace = 2^{10} \) |
Composition factors: | $C_2$ x 13 |
Nilpotency class: | $8$ |
Derived length: | $2$ |
This group is nonabelian, a $p$-group (hence nilpotent, solvable, supersolvable, monomial, elementary, and hyperelementary), and metabelian.
Group statistics
Order | 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128 | 256 | |
---|---|---|---|---|---|---|---|---|---|---|
Elements | 1 | 131 | 140 | 304 | 704 | 1280 | 2560 | 1024 | 2048 | 8192 |
Conjugacy classes | 1 | 3 | 8 | 28 | 104 | 144 | 272 | 512 | 1024 | 2096 |
Divisions | 1 | 3 | 5 | 9 | 15 | 11 | 10 | 9 | 8 | 71 |
Autjugacy classes | 1 | 3 | 4 | 6 | 8 | 9 | 6 | 5 | 1 | 43 |
Minimal Presentations
Permutation degree: | $512$ |
Transitive degree: | $512$ |
Rank: | $2$ |
Inequivalent generating pairs: | $96$ |
Minimal degrees of faithful linear representations
Over $\mathbb{C}$ | Over $\mathbb{R}$ | Over $\mathbb{Q}$ | |
---|---|---|---|
Irreducible | 2 | not computed | not computed |
Arbitrary | not computed | not computed | not computed |
Constructions
Presentation: | $\langle a, b, c \mid a^{2}=b^{256}=c^{16}=[b,c]=1, b^{a}=b^{183}c^{15}, c^{a}=b^{208}c^{9} \rangle$ | |||||||||
Permutation group: | Degree $512$ $\langle(1,2,7,17,37,57,67,47,60,85,101,100,115,123,102,116,141,157,156,171,179,158,172,197,213,212,227,235,214,228,253,269,268,283,291,270,284,309,325,324,339,347,326,340,365,381,380,395,403,382,396,421,437,436,451,459,438,452,477,492,491,503,507,493,504,496,505,508,495,494,485,462,442,454,461,441,440,429,406,386,398,405,385,384,373,350,330,342,349,329,328,317,294,274,286,293,273,272,261,238,218,230,237,217,216,205,182,162,174,181,161,160,149,126,106,118,125,105,104,93,70,50,62,69,49,32,14,5) \!\cdots\! \rangle$ | |||||||||
Matrix group: | $\left\langle \left(\begin{array}{rr} 9 & 0 \\ 0 & 200 \end{array}\right), \left(\begin{array}{rr} 3 & 0 \\ 0 & 131 \end{array}\right), \left(\begin{array}{rr} 0 & 1 \\ 1 & 0 \end{array}\right) \right\rangle \subseteq \GL_{2}(\F_{257})$ | |||||||||
Direct product: | not isomorphic to a non-trivial direct product | |||||||||
Semidirect product: | $(C_{128}.C_{32})$ $\,\rtimes\,$ $C_2$ | $(C_{16}\times C_{256})$ $\,\rtimes\,$ $C_2$ | more information | |||||||
Trans. wreath product: | not isomorphic to a non-trivial transitive wreath product | |||||||||
Non-split product: | $Q_{256}$ . $C_{32}$ | $D_{128}$ . $C_{32}$ | $C_{32}$ . $D_{128}$ | $C_{32}$ . $\SD_{256}$ | all 66 |
Elements of the group are displayed as matrices in $\GL_{2}(\F_{257})$.
Homology
Abelianization: | $C_{2} \times C_{32} $ |
Schur multiplier: | $C_{2}$ |
Commutator length: | $1$ |
Subgroups
There are 2110 subgroups in 230 conjugacy classes, 72 normal, and all normal subgroups are characteristic.
Characteristic subgroups are shown in this color.
Special subgroups
Center: | $Z \simeq$ $C_{32}$ | $G/Z \simeq$ $D_{128}$ |
Commutator: | $G' \simeq$ $C_{128}$ | $G/G' \simeq$ $C_2\times C_{32}$ |
Frattini: | $\Phi \simeq$ $C_{16}\times C_{128}$ | $G/\Phi \simeq$ $C_2^2$ |
Fitting: | $\operatorname{Fit} \simeq$ $C_{32}.D_{128}$ | $G/\operatorname{Fit} \simeq$ $C_1$ |
Radical: | $R \simeq$ $C_{32}.D_{128}$ | $G/R \simeq$ $C_1$ |
Socle: | $\operatorname{soc} \simeq$ $C_2$ | $G/\operatorname{soc} \simeq$ $C_{64}.(C_2\times C_{32})$ |
2-Sylow subgroup: | $P_{ 2 } \simeq$ $C_{32}.D_{128}$ |
Subgroup diagram and profile
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Subgroup information
Click on a subgroup in the diagram to see information about it.
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Series
Derived series | $C_{32}.D_{128}$ | $\rhd$ | $C_{128}$ | $\rhd$ | $C_1$ | ||||||||||||||||||||||
Chief series | $C_{32}.D_{128}$ | $\rhd$ | $C_{16}\times C_{256}$ | $\rhd$ | $C_{16}\times C_{128}$ | $\rhd$ | $C_8\times C_{128}$ | $\rhd$ | $C_4\times C_{128}$ | $\rhd$ | $C_2\times C_{128}$ | $\rhd$ | $C_{128}$ | $\rhd$ | $C_{64}$ | $\rhd$ | $C_{32}$ | $\rhd$ | $C_{16}$ | $\rhd$ | $C_8$ | $\rhd$ | $C_4$ | $\rhd$ | $C_2$ | $\rhd$ | $C_1$ |
Lower central series | $C_{32}.D_{128}$ | $\rhd$ | $C_{128}$ | $\rhd$ | $C_{64}$ | $\rhd$ | $C_{32}$ | $\rhd$ | $C_{16}$ | $\rhd$ | $C_8$ | $\rhd$ | $C_4$ | $\rhd$ | $C_2$ | $\rhd$ | $C_1$ | ||||||||||
Upper central series | $C_1$ | $\lhd$ | $C_{32}$ | $\lhd$ | $C_2\times C_{32}$ | $\lhd$ | $C_4\times C_{32}$ | $\lhd$ | $C_8\times C_{32}$ | $\lhd$ | $C_{16}\times C_{32}$ | $\lhd$ | $C_{16}\times C_{64}$ | $\lhd$ | $C_{16}\times C_{128}$ | $\lhd$ | $C_{32}.D_{128}$ |
Supergroups
This group is a maximal subgroup of 1 larger groups in the database.
This group is a maximal quotient of 0 larger groups in the database.
Character theory
Complex character table
The $2096 \times 2096$ character table is not available for this group.
Rational character table
The $71 \times 71$ rational character table is not available for this group.