Finite Group Databasebeta
Cayley diagram

C2×#2523 #34753

order256
nilpotency class2
isoclinismisoclinic class of #2403
automorphismAut(G) order 1048576
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C27

Aliases

direct productC2×#2523

Subgroups

subgroupG/H
center, socleC24C24
commutator, Frattini, cosocleC23C25
prime radicalC25C23
LCSG ▷ C23 ▷ C1
UCSC1 ◁ C24 ◁ G
LECSG ▷ C23 ▷ C1

1123 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 128

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

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

Conjugacy classes & character table

76 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#131552, #223310, #223374, …
maximal normal subgroup of#131552, #223310, #223374, …
maximal quotient ofC2×#13892, C2×#14014, C2×#14058, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 27741);