Finite Group Databasebeta
Cayley diagram

C2×#2655 #34581

order256
nilpotency class2
isoclinismisoclinic class of #2613
automorphismAut(G) order 524288
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27

Aliases

direct productC2×#2655

Subgroups

subgroupG/H
center, socle, prime radicalC24C24
commutator, Frattini, cosocleC23C25
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

883 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 256

A minimal faithful permutation representation — 5 generators on 26 points:

(1,2);(4,7)(8,10)(11,12,15,14)(13,17,18,16)(19,20)(21,26)(22,24)(23,25);(13,18)(16,17)(19,21,23,24)(20,22,25,26);(3,4)(5,8)(6,7)(9,10)(11,13)(12,16)(14,17)(15,18)(19,22,23,26)(20,24,25,21);(3,5,6,9)(4,8,7,10)(11,14,15,12)(13,17,18,16)(19,20)(21,22)(23,25)(24,26)

Conjugacy classes & character table

64 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#207719, #207735, #207759, …
maximal normal subgroup of#207719, #207735, #207759, …
maximal quotient ofC2×#14270, C2×#14280, C2×#14285, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27569);