Group information
Description: | $(C_2\times C_4^3):D_8$ |
Order: | \(2048\)\(\medspace = 2^{11} \) |
Exponent: | \(8\)\(\medspace = 2^{3} \) |
Automorphism group: | $(C_5^3\times C_{10}).Q_8$, of order \(32768\)\(\medspace = 2^{15} \) (generators) |
Outer automorphisms: | $C_2^2\times D_4$, of order \(32\)\(\medspace = 2^{5} \) |
Composition factors: | $C_2$ x 11 |
Nilpotency class: | $7$ |
Derived length: | $3$ |
This group is nonabelian and a $p$-group (hence nilpotent, solvable, supersolvable, monomial, elementary, and hyperelementary).
Group statistics
Order | 1 | 2 | 4 | 8 | |
---|---|---|---|---|---|
Elements | 1 | 271 | 752 | 1024 | 2048 |
Conjugacy classes | 1 | 15 | 25 | 12 | 53 |
Divisions | 1 | 15 | 25 | 10 | 51 |
Autjugacy classes | 1 | 10 | 11 | 3 | 25 |
Dimension | 1 | 2 | 4 | 8 | 16 | |
---|---|---|---|---|---|---|
Irr. complex chars. | 8 | 10 | 13 | 20 | 2 | 53 |
Irr. rational chars. | 8 | 6 | 15 | 20 | 2 | 51 |
Minimal Presentations
Permutation degree: | $16$ |
Transitive degree: | $16$ |
Rank: | $3$ |
Inequivalent generating triples: | $86016$ |
Minimal degrees of faithful linear representations
Over $\mathbb{C}$ | Over $\mathbb{R}$ | Over $\mathbb{Q}$ | |
---|---|---|---|
Irreducible | 8 | 8 | 8 |
Arbitrary | not computed | not computed | not computed |
Constructions
Presentation: | ${\langle a, b, c, d, e, f \mid b^{8}=c^{4}=d^{2}=e^{4}=f^{4}=[a,f]=[c,d]= \!\cdots\! \rangle}$ | |||||||
Permutation group: | Degree $16$ $\langle(1,7,13,10,2,8,14,9)(3,5,16,12)(4,6,15,11), (1,10,3,11,2,9,4,12)(5,13,8,15,6,14,7,16), (1,3)(2,4)(5,10,7,11,6,9,8,12)\rangle$ | |||||||
Transitive group: | 16T1446 | 16T1488 | more information | |||||
Direct product: | not isomorphic to a non-trivial direct product | |||||||
Semidirect product: | $(C_2\times C_4^3)$ $\,\rtimes\,$ $D_8$ | $(C_4^2:C_2^3)$ $\,\rtimes\,$ $D_8$ | more information | |||||
Trans. wreath product: | not isomorphic to a non-trivial transitive wreath product | |||||||
Non-split product: | $(C_2^5:D_4)$ . $D_4$ | $C_2^5$ . $(D_4:D_4)$ | $C_2^4$ . $(C_2\wr D_4)$ | $(C_2^5.C_2^3)$ . $D_4$ | all 19 |
Elements of the group are displayed as permutations of degree 16.
Homology
Abelianization: | $C_{2}^{3} $ |
Schur multiplier: | $C_{2}^{5}$ |
Commutator length: | $1$ |
Subgroups
There are 40632 subgroups in 3320 conjugacy classes, 40 normal (24 characteristic).
Characteristic subgroups are shown in this color. Normal (but not characteristic) subgroups are shown in this color.
Special subgroups
Center: | $Z \simeq$ $C_2$ | $G/Z \simeq$ $(C_2^2\times C_4^2):D_8$ |
Commutator: | $G' \simeq$ $C_2^5.C_2^3$ | $G/G' \simeq$ $C_2^3$ |
Frattini: | $\Phi \simeq$ $C_2^5.C_2^3$ | $G/\Phi \simeq$ $C_2^3$ |
Fitting: | $\operatorname{Fit} \simeq$ $C_2^5.C_2{\rm wrC}_2^2$ | $G/\operatorname{Fit} \simeq$ $C_1$ |
Radical: | $R \simeq$ $C_2^5.C_2{\rm wrC}_2^2$ | $G/R \simeq$ $C_1$ |
Socle: | $\operatorname{soc} \simeq$ $C_2$ | $G/\operatorname{soc} \simeq$ $(C_2^2\times C_4^2):D_8$ |
2-Sylow subgroup: | $P_{ 2 } \simeq$ $C_2^5.C_2{\rm wrC}_2^2$ |
Subgroup diagram and profile
Series
Derived series | $C_2^5.C_2{\rm wrC}_2^2$ | $\rhd$ | $C_2^5.C_2^3$ | $\rhd$ | $C_2^4$ | $\rhd$ | $C_1$ | ||||||||||||||||
Chief series | $C_2^5.C_2{\rm wrC}_2^2$ | $\rhd$ | $C_2^4.C_2^4.C_2^2$ | $\rhd$ | $C_2^4.C_2^4.C_2$ | $\rhd$ | $C_2^5.C_2^3$ | $\rhd$ | $C_2^5:C_4$ | $\rhd$ | $D_4\times C_2^3$ | $\rhd$ | $C_2^5$ | $\rhd$ | $C_2^4$ | $\rhd$ | $C_2^3$ | $\rhd$ | $C_2^2$ | $\rhd$ | $C_2$ | $\rhd$ | $C_1$ |
Lower central series | $C_2^5.C_2{\rm wrC}_2^2$ | $\rhd$ | $C_2^5.C_2^3$ | $\rhd$ | $D_4\times C_2^3$ | $\rhd$ | $C_2^4$ | $\rhd$ | $C_2^3$ | $\rhd$ | $C_2^2$ | $\rhd$ | $C_2$ | $\rhd$ | $C_1$ | ||||||||
Upper central series | $C_1$ | $\lhd$ | $C_2$ | $\lhd$ | $C_2^2$ | $\lhd$ | $C_2^3$ | $\lhd$ | $C_2^5$ | $\lhd$ | $D_4\times C_2^3$ | $\lhd$ | $C_2^5.C_2^3$ | $\lhd$ | $C_2^5.C_2{\rm wrC}_2^2$ |
Supergroups
This group is a maximal subgroup of 2 larger groups in the database.
This group is a maximal quotient of 4 larger groups in the database.
Character theory
Complex character table
See the $53 \times 53$ character table. Alternatively, you may search for characters of this group with desired properties.
Rational character table
See the $51 \times 51$ rational character table.