Finite Group Databasebeta

Dic4247 #30684198

order16988
automorphism?
homologyAbelianization (H1) = C4 · Schur multiplier (H2) = C1

Aliases

dicyclicDic4247
unambiguous semidirect productC31⋊Dic137

Splittings

derived, HallC31×C137 ⋊ C4
SylowC137 ⋊ Dic31
SylowC31 ⋊ Dic137

Subgroups

subgroupG/H
center, Frattini, hypercenterC2D4247
commutator, hypocenterC31×C137C4
Fitting, socle, prime radical, cosocleC2×C31×C137C2
LCSG ▷ C31×C137
UCSC1 ◁ C2

12 conjugacy classes of subgroups.

Full subgroup data →

Presentation

minimal degreeμ(G) = 172
transitive degreeμt(G) = 16988

A minimal faithful permutation representation — 2 generators on 172 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)(36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172);(1,3,2,4)(6,35)(7,34)(8,33)(9,32)(10,31)(11,30)(12,29)(13,28)(14,27)(15,26)(16,25)(17,24)(18,23)(19,22)(20,21)(37,172)(38,171)(39,170)(40,169)(41,168)(42,167)(43,166)(44,165)(45,164)(46,163)(47,162)(48,161)(49,160)(50,159)(51,158)(52,157)(53,156)(54,155)(55,154)(56,153)(57,152)(58,151)(59,150)(60,149)(61,148)(62,147)(63,146)(64,145)(65,144)(66,143)(67,142)(68,141)(69,140)(70,139)(71,138)(72,137)(73,136)(74,135)(75,134)(76,133)(77,132)(78,131)(79,130)(80,129)(81,128)(82,127)(83,126)(84,125)(85,124)(86,123)(87,122)(88,121)(89,120)(90,119)(91,118)(92,117)(93,116)(94,115)(95,114)(96,113)(97,112)(98,111)(99,110)(100,109)(101,108)(102,107)(103,106)(104,105)

Polycyclic presentation:

2,31,137,2|a^2=d,b^a=b^30,c^a=c^136

Conjugacy classes & character table

4250 conjugacy classes. The character table is too large to display.

Relationships

maximal subgroup ofDic8494, Dic12741
maximal normal subgroup ofDic8494
maximal quotient ofDic12741

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(16988, 4);