Abstract group 256.38445: $C_2^3.C_2^5$

• Label: 256.38445
• Order: \( 2^{8} \)
• Exponent: \( 2^{2} \)
• Nilpotent: yes
• Solvable: yes
• $\card{G^{\mathrm{ab}}}$: \( 2^{5} \)
• $\card{Z(G)}$: \( 2^{3} \)
• $\card{\Aut(G)}$: \( 2^{16} \)
• $\card{\mathrm{Out}(G)}$: \( 2^{11} \)
• Perm deg.: $24$
• Trans deg.: $32$
• Rank: $5$

Group information

Description:	$C_2^3.C_2^5$
Order:	\(256\)\(\medspace = 2^{8} \)
Exponent:	\(4\)\(\medspace = 2^{2} \)
Automorphism group:	$C_2^{15}.C_2$, of order \(65536\)\(\medspace = 2^{16} \)
Composition factors:	$C_2$ x 8
Nilpotency class:	$2$
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
Elements	1	79	176	256
Conjugacy classes	1	25	26	52
Divisions	1	25	22	48
Autjugacy classes	1	11	13	25

Dimension	1	2	4
Irr. complex chars.	32	8	12	52
Irr. rational chars.	32	0	16	48

Minimal presentations

Permutation degree:	$24$
Transitive degree:	$32$
Rank:	$5$
Inequivalent generating 5-tuples:	$4999680$

Minimal degrees of faithful linear representations

	Over $\mathbb{C}$	Over $\mathbb{R}$	Over $\mathbb{Q}$
Irreducible	none	none	none
Arbitrary	not computed	not computed	not computed

Constructions

Presentation:	${\langle a, b, c, d, e, f \mid a^{2}=b^{2}=c^{2}=d^{2}=e^{4}=f^{4}=[a,b]= \!\cdots\! \rangle}$
Permutation group:	Degree $24$ $\langle(1,2)(3,10)(4,8)(5,9)(6,13)(7,14)(11,16)(12,15)(19,23)(21,24), (1,3,5,13) \!\cdots\! \rangle$
Transitive group:	32T3545				more information
Direct product:	not isomorphic to a non-trivial direct product
Semidirect product:	$(C_2^4.Q_8)$ $\,\rtimes\,$ $C_2$	$(C_2.D_4^2)$ $\,\rtimes\,$ $C_2$	$(C_2.D_4^2)$ $\,\rtimes\,$ $C_2$	$(C_2^4:D_4)$ $\,\rtimes\,$ $C_2$	all 40
Trans. wreath product:	not isomorphic to a non-trivial transitive wreath product
Non-split product:	$C_2^6$ . $C_2^2$	$C_2^5$ . $C_2^3$ (5)	$C_2^4$ . $C_2^4$ (6)	$C_2^3$ . $C_2^5$	all 20

Elements of the group are displayed as words in the presentation generators from the presentation above.

Homology

Abelianization:	$C_{2}^{5} $
Schur multiplier:	$C_{2}^{7}$
Commutator length:	$1$

Subgroups

There are 4767 subgroups in 1641 conjugacy classes, 415 normal (61 characteristic).

Characteristic subgroups are shown in this color. Normal (but not characteristic) subgroups are shown in this color.

Special subgroups

Center:	$Z \simeq$ $C_2^3$	$G/Z \simeq$ $C_2^5$
Commutator:	$G' \simeq$ $C_2^3$	$G/G' \simeq$ $C_2^5$
Frattini:	$\Phi \simeq$ $C_2^3$	$G/\Phi \simeq$ $C_2^5$
Fitting:	$\operatorname{Fit} \simeq$ $C_2^3.C_2^5$	$G/\operatorname{Fit} \simeq$ $C_1$
Radical:	$R \simeq$ $C_2^3.C_2^5$	$G/R \simeq$ $C_1$
Socle:	$\operatorname{soc} \simeq$ $C_2^3$	$G/\operatorname{soc} \simeq$ $C_2^5$
2-Sylow subgroup:	$P_{ 2 } \simeq$ $C_2^3.C_2^5$

Hi

Subgroup diagram and profile

Classes of subgroups up to conjugation

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Classes of subgroups up to automorphism

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Normal subgroups

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Normal subgroups up to automorphism

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Classes of subgroups up to conjugation

Order 256: $C_2^3.C_2^5$

Order 128: $C_2^3.C_2^4$ x 4, $C_2^3.C_2^4$ x 3, $C_2^3\wr C_2$ x 2, $C_2^3.C_2^4$ x 2, $C_2.D_4^2$ x 2, $C_2^3.C_2^4$ x 2, $C_2^3.C_2^4$ x 2, $C_2.D_4^2$ x 2, $C_2.D_4^2$ x 2, $C_2^3.C_2^4$ x 2, $C_2^3.C_2^4$ x 2, $C_2^4.Q_8$, $C_2^4:D_4$, $C_2.D_4^2$, $C_2^3.C_2^4$, $C_2^3.C_2^4$, $C_2^5:C_4$

Order 64: $C_2^3.C_2^3$ x 24, $C_2^4:C_4$ x 22, $C_2^3.D_4$ x 16, $C_2^3:D_4$ x 14, $C_2^3.Q_8$ x 12, $C_2^3.D_4$ x 10, $C_2^3.C_2^3$ x 10, $C_2^3.D_4$ x 10, $C_2^3.Q_8$ x 6, $C_2^4:C_4$ x 6, $C_2^3:D_4$ x 4, $C_2^3.D_4$ x 4, $C_2^3.D_4$ x 4, $C_2^3:D_4$ x 3, $C_2^3.D_4$ x 2, $C_4^2:C_2^2$ x 2, $C_4^2:C_2^2$ x 2, $C_2^3.D_4$, $C_2^2:C_4^2$, $C_2^6$, $C_4^2:C_2^2$

Order 32: $C_2^3:C_4$ x 90, $C_2^2\wr C_2$ x 32, $C_2^5$ x 23, $C_2.C_4^2$ x 22, $C_2^2.D_4$ x 21, $C_2^2\times D_4$ x 15, $C_2^2.D_4$ x 8, $C_2^3\times C_4$ x 6, $C_4:D_4$ x 6, $C_2\times C_4^2$ x 6, $C_4^2:C_2$ x 4, $C_4\times D_4$ x 4, $C_4^2:C_2$ x 2

Order 16: $C_2^4$ x 197, $C_2^2:C_4$ x 102, $C_2\times D_4$ x 63, $C_2^2\times C_4$ x 46, $C_4:C_4$ x 21, $C_4^2$ x 6

Order 8: $C_2^3$ x 409, $C_2\times C_4$ x 80, $D_4$ x 34

Order 4: $C_2^2$ x 209, $C_4$ x 22

Order 2: $C_2$ x 25

Order 1: $C_1$

Classes of subgroups up to automorphism

Order 256: $C_2^3.C_2^5$

Order 128: $C_2^3.C_2^4$ x 2, $C_2^3.C_2^4$ x 2, $C_2^3\wr C_2$, $C_2^4.Q_8$, $C_2^4:D_4$, $C_2^3.C_2^4$, $C_2.D_4^2$, $C_2.D_4^2$, $C_2^3.C_2^4$, $C_2^3.C_2^4$, $C_2^3.C_2^4$, $C_2^3.C_2^4$, $C_2.D_4^2$, $C_2.D_4^2$, $C_2^3.C_2^4$, $C_2^3.C_2^4$, $C_2^5:C_4$

Order 64: $C_2^4:C_4$ x 13, $C_2^3.C_2^3$ x 12, $C_2^3.D_4$ x 8, $C_2^3:D_4$ x 7, $C_2^3.D_4$ x 6, $C_2^3.Q_8$ x 6, $C_2^3.Q_8$ x 5, $C_2^3.C_2^3$ x 5, $C_2^3.D_4$ x 5, $C_2^4:C_4$ x 4, $C_2^3:D_4$ x 3, $C_2^3.D_4$ x 2, $C_2^3.D_4$ x 2, $C_2^3:D_4$ x 2, $C_2^3.D_4$, $C_2^3.D_4$, $C_2^2:C_4^2$, $C_2^6$, $C_4^2:C_2^2$, $C_4^2:C_2^2$, $C_4^2:C_2^2$

Order 32: $C_2^3:C_4$ x 46, $C_2.C_4^2$ x 13, $C_2^2.D_4$ x 12, $C_2^5$ x 10, $C_2^2\times D_4$ x 8, $C_2^2\wr C_2$ x 7, $C_2^3\times C_4$ x 4, $C_2\times C_4^2$ x 3, $C_2^2.D_4$ x 2, $C_4:D_4$ x 2, $C_4^2:C_2$, $C_4\times D_4$, $C_4^2:C_2$

Order 16: $C_2^2:C_4$ x 42, $C_2^4$ x 40, $C_2\times D_4$ x 23, $C_2^2\times C_4$ x 23, $C_4:C_4$ x 12, $C_4^2$ x 3

Order 8: $C_2^3$ x 67, $C_2\times C_4$ x 39, $D_4$ x 8

Order 4: $C_2^2$ x 46, $C_4$ x 13

Order 2: $C_2$ x 11

Order 1: $C_1$

Normal subgroups (quotient in parentheses)

Order 256: $C_2^3.C_2^5$ ($C_1$)

Order 128: $C_2^3.C_2^4$ ($C_2$) x 4, $C_2^3.C_2^4$ ($C_2$) x 3, $C_2^3\wr C_2$ ($C_2$) x 2, $C_2^3.C_2^4$ ($C_2$) x 2, $C_2.D_4^2$ ($C_2$) x 2, $C_2^3.C_2^4$ ($C_2$) x 2, $C_2^3.C_2^4$ ($C_2$) x 2, $C_2.D_4^2$ ($C_2$) x 2, $C_2.D_4^2$ ($C_2$) x 2, $C_2^3.C_2^4$ ($C_2$) x 2, $C_2^3.C_2^4$ ($C_2$) x 2, $C_2^4.Q_8$ ($C_2$), $C_2^4:D_4$ ($C_2$), $C_2.D_4^2$ ($C_2$), $C_2^3.C_2^4$ ($C_2$), $C_2^3.C_2^4$ ($C_2$), $C_2^5:C_4$ ($C_2$)

Order 64: $C_2^3.C_2^3$ ($C_2^2$) x 24, $C_2^4:C_4$ ($C_2^2$) x 22, $C_2^3.D_4$ ($C_2^2$) x 16, $C_2^3:D_4$ ($C_2^2$) x 14, $C_2^3.Q_8$ ($C_2^2$) x 12, $C_2^3.D_4$ ($C_2^2$) x 10, $C_2^3.C_2^3$ ($C_2^2$) x 10, $C_2^3.D_4$ ($C_2^2$) x 10, $C_2^3.Q_8$ ($C_2^2$) x 6, $C_2^4:C_4$ ($C_2^2$) x 6, $C_2^3:D_4$ ($C_2^2$) x 4, $C_2^3.D_4$ ($C_2^2$) x 4, $C_2^3.D_4$ ($C_2^2$) x 4, $C_2^3:D_4$ ($C_2^2$) x 3, $C_2^3.D_4$ ($C_2^2$) x 2, $C_4^2:C_2^2$ ($C_2^2$) x 2, $C_4^2:C_2^2$ ($C_2^2$) x 2, $C_2^3.D_4$ ($C_2^2$), $C_2^2:C_4^2$ ($C_2^2$), $C_2^6$ ($C_2^2$), $C_4^2:C_2^2$ ($C_2^2$)

Order 32: $C_2^3:C_4$ ($C_2^3$) x 78, $C_2.C_4^2$ ($C_2^3$) x 22, $C_2^2.D_4$ ($C_2^3$) x 21, $C_2^2\times D_4$ ($C_2^3$) x 15, $C_2^5$ ($C_2^3$) x 7, $C_2^3\times C_4$ ($C_2^3$) x 6, $C_2\times C_4^2$ ($C_2^3$) x 6

Order 16: $C_2^2\times C_4$ ($C_2^4$) x 22, $C_2^4$ ($C_2^4$) x 9, $C_2^4$ ($D_4:C_2$) x 4

Order 8: $C_2^3$ ($D_4:C_2^2$) x 12, $C_2^3$ ($D_4:C_2^2$) x 6, $C_2^3$ ($C_2^5$)

Order 4: $C_2^2$ ($D_4:C_2^3$) x 6, $C_2^2$ ($C_4^2:C_2^2$) x 4, $C_2^2$ ($D_4:C_2^3$)

Order 2: $C_2$ ($D_4^2:C_2$) x 3, $C_2$ ($C_4^2:C_2^3$) x 3, $C_2$ ($C_4^2:C_2^3$)

Order 1: $C_1$ ($C_2^3.C_2^5$)

Normal subgroups up to automorphism (quotient in parentheses)

Order 256: $C_2^3.C_2^5$ ($C_1$)

Order 128: $C_2^3.C_2^4$ ($C_2$) x 2, $C_2^3.C_2^4$ ($C_2$) x 2, $C_2^3\wr C_2$ ($C_2$), $C_2^4.Q_8$ ($C_2$), $C_2^4:D_4$ ($C_2$), $C_2^3.C_2^4$ ($C_2$), $C_2.D_4^2$ ($C_2$), $C_2.D_4^2$ ($C_2$), $C_2^3.C_2^4$ ($C_2$), $C_2^3.C_2^4$ ($C_2$), $C_2^3.C_2^4$ ($C_2$), $C_2^3.C_2^4$ ($C_2$), $C_2.D_4^2$ ($C_2$), $C_2.D_4^2$ ($C_2$), $C_2^3.C_2^4$ ($C_2$), $C_2^3.C_2^4$ ($C_2$), $C_2^5:C_4$ ($C_2$)

Order 64: $C_2^4:C_4$ ($C_2^2$) x 13, $C_2^3.C_2^3$ ($C_2^2$) x 12, $C_2^3.D_4$ ($C_2^2$) x 8, $C_2^3:D_4$ ($C_2^2$) x 7, $C_2^3.D_4$ ($C_2^2$) x 6, $C_2^3.Q_8$ ($C_2^2$) x 6, $C_2^3.Q_8$ ($C_2^2$) x 5, $C_2^3.C_2^3$ ($C_2^2$) x 5, $C_2^3.D_4$ ($C_2^2$) x 5, $C_2^4:C_4$ ($C_2^2$) x 4, $C_2^3:D_4$ ($C_2^2$) x 3, $C_2^3.D_4$ ($C_2^2$) x 2, $C_2^3.D_4$ ($C_2^2$) x 2, $C_2^3:D_4$ ($C_2^2$) x 2, $C_2^3.D_4$ ($C_2^2$), $C_2^3.D_4$ ($C_2^2$), $C_2^2:C_4^2$ ($C_2^2$), $C_2^6$ ($C_2^2$), $C_4^2:C_2^2$ ($C_2^2$), $C_4^2:C_2^2$ ($C_2^2$), $C_4^2:C_2^2$ ($C_2^2$)

Order 32: $C_2^3:C_4$ ($C_2^3$) x 42, $C_2.C_4^2$ ($C_2^3$) x 13, $C_2^2.D_4$ ($C_2^3$) x 12, $C_2^2\times D_4$ ($C_2^3$) x 8, $C_2^5$ ($C_2^3$) x 5, $C_2^3\times C_4$ ($C_2^3$) x 4, $C_2\times C_4^2$ ($C_2^3$) x 3

Order 16: $C_2^2\times C_4$ ($C_2^4$) x 13, $C_2^4$ ($C_2^4$) x 6, $C_2^4$ ($D_4:C_2$)

Order 8: $C_2^3$ ($D_4:C_2^2$) x 4, $C_2^3$ ($D_4:C_2^2$) x 2, $C_2^3$ ($C_2^5$)

Order 4: $C_2^2$ ($D_4:C_2^3$) x 4, $C_2^2$ ($D_4:C_2^3$), $C_2^2$ ($C_4^2:C_2^2$)

Order 2: $C_2$ ($D_4^2:C_2$) x 2, $C_2$ ($C_4^2:C_2^3$) x 2, $C_2$ ($C_4^2:C_2^3$)

Order 1: $C_1$ ($C_2^3.C_2^5$)

Series

Derived series

$C_2^3.C_2^5$

$\rhd$

$C_2^3$

$\rhd$

$C_1$

Chief series

$C_2^3.C_2^5$

$\rhd$

$C_2^3.C_2^4$

$\rhd$

$C_2^3.C_2^3$

$\rhd$

$C_2\times C_4^2$

$\rhd$

$C_2^2\times C_4$

$\rhd$

$C_2^3$

$\rhd$

$C_2^2$

$\rhd$

$C_2$

$\rhd$

$C_1$

Lower central series

$C_2^3.C_2^5$

$\rhd$

$C_2^3$

$\rhd$

$C_1$

Upper central series

$C_1$

$\lhd$

$C_2^3$

$\lhd$

$C_2^3.C_2^5$

Character theory

Complex character table

See the $52 \times 52$ character table. Alternatively, you may search for characters of this group with desired properties.

Rational character table

See the $48 \times 48$ rational character table.