Finite Group Databasebeta
Cayley diagram

C4×#577 #60172

order256
nilpotency class3
isoclinismisoclinic class of #576
automorphism?
homologyAbelianization (H1) = C24×C4 · Schur multiplier (H2) = C29

Aliases

direct productC4×#577

Subgroups

subgroupG/H
centerC2×C4C22×D4
commutatorC4C24×C4
Frattini, cosocleC2×C4C25
socleC22C23×D4
prime radicalC2×#577C2
LCSG ▷ C4 ▷ C2 ▷ C1
UCSC1 ◁ C2×C4 ◁ C4×#41 ◁ G
LECSG ▷ C2×C4 ▷ C2 ▷ C1

1371 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 64

A minimal faithful permutation representation — 5 generators on 20 points:

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

Conjugacy classes & character table

88 conjugacy classes — view the full character table.

Relationships

Fitting subgroup ofC4×#577⋊C3
maximal subgroup of#220221, #220224, #220227, …
maximal normal subgroup of#220221, #220224, #220227, …
maximal quotient ofC8×#577, #6344568, #6344569, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(256, 53160);