Finite Group Databasebeta
Cayley diagram

C2×#3197 #60740

order256
nilpotency class3
isoclinismisoclinic class of #3192
automorphism?
homologyAbelianization (H1) = C25 · Schur multiplier (H2) = C28

Aliases

direct productC2×#3197

Subgroups

subgroupG/H
center, socleC23C22×D4
commutator, Frattini, cosocleC2×C4C25
LCSG ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C23 ◁ C24×C4 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1181 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 26
transitive degreeμt(G) = 64

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

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

Conjugacy classes & character table

52 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#131317, #131324, #198143, …
maximal normal subgroup of#131317, #131324, #198143, …
maximal quotient ofC2×#21766, C2×#21943, C2×#22048, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53728);