Finite Group Databasebeta

D7×C103 #13089643

order1442
isoclinismisoclinic class of D7
automorphism?
homologyAbelianization (H1) = C2×C103 · Schur multiplier (H2) = C1

Aliases

direct productD7×C103
unambiguous semidirect productC7⋊(C2×C103)

Splittings

Fitting, socle, HallC7×C103 ⋊ C2
derived, SylowC7 ⋊ C2×C103

Subgroups

subgroupG/H
center, hypercenterC103D7
commutator, cosocle, hypocenterC7C2×C103
FrattiniC1G
Fitting, socleC7×C103C2
LCSG ▷ C7
UCSC1 ◁ C103

8 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 110
transitive degreeμt(G) = 721

A minimal faithful permutation representation — 2 generators on 110 points:

(1,2,3,4,5,6,7)(8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110);(2,7)(3,6)(4,5)

Conjugacy classes & character table

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

Relationships

maximal subgroup ofD7×D103, C2×D7×C103, C3×D7×C103, …
maximal normal subgroup ofD7×D103, C2×D7×C103, C3×D7×C103, …
maximal quotient ofDic7×C103, C2×D7×C103, C3×D7×C103, …

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(1442, 1);