Finite Group Databasebeta
Cayley diagram

C2×D37 #3867

order148
isoclinismisoclinic class of D37
automorphismAut(G) = C2×AGL(1,𝔽37) (order 2664) · Inn(G) = D37 · Out(G) = C22×C9
homologyAbelianization (H1) = C22 · Schur multiplier (H2) = C2

Aliases

dihedralD74
direct productC2×D37
unambiguous semidirect productC37⋊C22
unambiguous semidirect product(C2×C37)⋊C2

Splittings

Fitting, socleC2×C37 ⋊ C2
derived, SylowC37 ⋊ C22

Subgroups

subgroupG/H
center, hypercenterC2D37
commutator, cosocle, hypocenterC37C22
FrattiniC1G
Fitting, socleC2×C37C2
LCSG ▷ C37
UCSC1 ◁ C2

10 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 39
transitive degreeμt(G) = 74

A minimal faithful permutation representation — 2 generators on 39 points:

(1,2)(3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39);(4,39)(5,38)(6,37)(7,36)(8,35)(9,34)(10,33)(11,32)(12,31)(13,30)(14,29)(15,28)(16,27)(17,26)(18,25)(19,24)(20,23)(21,22)

Conjugacy classes & character table

40 conjugacy classes — view the full character table.

Relationships

maximal subgroup ofC4×D37, D148, C22⋊D37, …
maximal normal subgroup ofC4×D37, D148, C22⋊D37, …
maximal quotient ofDic74, C4×D37, D148, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(148, 4);