Finite Group Databasebeta
Cayley diagram

C4×D39 #64622

order312
isoclinismisoclinic class of D39
automorphism?
homologyAbelianization (H1) = C2×C4 · Schur multiplier (H2) = C2

Aliases

direct productC4×D39

Splittings

FittingC3×C4×C13 ⋊ C2
derived, HallC3×C13 ⋊ C2×C4
SylowC13 ⋊ C4×D3
SylowC3 ⋊ C4×D13

Subgroups

subgroupG/H
center, hypercenterC4D39
commutator, hypocenterC3×C13C2×C4
FrattiniC2C2×D39
FittingC3×C4×C13C2
socle, cosocleC2×C3×C13C22
prime radicalC2×D39C2
LCSG ▷ C3×C13
UCSC1 ◁ C4

32 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 20
transitive degreeμt(G) = 156

A minimal faithful permutation representation — 2 generators on 20 points:

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

Conjugacy classes & character table

84 conjugacy classes — view the full character table.

Relationships

maximal subgroup of#10597591, #10597594, C8×D39, …
maximal normal subgroup of#10597591, #10597594, C8×D39, …
maximal quotient ofC8×D39, #10597657, C4×Dic39, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(312, 38);