Finite Group Databasebeta

C7×D108 #13094134

order1512
isoclinismisoclinic class of Dic54
automorphism?
homologyAbelianization (H1) = C22×C7 · Schur multiplier (H2) = C2

Aliases

direct productC7×D108
unambiguous semidirect productC4⋊(C7×D27)

Splittings

FittingC4×C7×C27 ⋊ C2
HallC7×C27 ⋊ D4
SylowC27 ⋊ C7×D4

Subgroups

subgroupG/H
centerC2×C7C2×D27
commutator, cosocleC2×C27C22×C7
FrattiniC2×C9C2×D3×C7
FittingC4×C7×C27C2
socleC2×C3×C7C2×D9
hypercenterC4×C7D27
hypocenterC27C7×D4
LCSG ▷ C2×C27 ▷ C27
UCSC1 ◁ C2×C7 ◁ C4×C7

64 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 38
transitive degreeμt(G) = 756

A minimal faithful permutation representation — 2 generators on 38 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);(9,11)(13,38)(14,37)(15,36)(16,35)(17,34)(18,33)(19,32)(20,31)(21,30)(22,29)(23,28)(24,27)(25,26)

Conjugacy classes & character table

399 conjugacy classes. The character table is too large to display.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1512, 31);